Home / 648,148.20-972,222.30-227,466.60

Finding the Fourth Proportional to 648,148.20, 972,222.30 and 227,466.60

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Solution

The fourth proportional to 648,148.20, 972,222.30 and 227,466.60 is: 341,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,148.20 : 972,222.30 = 227,466.60 : x
  2. Step 2: Convert to fraction form
    648,148.20/972,222.30 = 227,466.60/x
  3. Step 3: Cross multiply
    648,148.20x = 972,222.30 × 227,466.60
  4. Step 4: Simplify right side
    648,148.20x = 221,148,101,025.18
  5. Step 5: Solve for x
    x = 221,148,101,025.18/648,148.20
  6. Step 6: Final answer
    x = 341,199.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.