Home / 227,415.10-340,466.55-138,841.60

Finding the Fourth Proportional to 227,415.10, 340,466.55 and 138,841.60

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Solution

The fourth proportional to 227,415.10, 340,466.55 and 138,841.60 is: 207,861.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,415.10 : 340,466.55 = 138,841.60 : x
  2. Step 2: Convert to fraction form
    227,415.10/340,466.55 = 138,841.60/x
  3. Step 3: Cross multiply
    227,415.10x = 340,466.55 × 138,841.60
  4. Step 4: Simplify right side
    227,415.10x = 47,270,920,548.48
  5. Step 5: Solve for x
    x = 47,270,920,548.48/227,415.10
  6. Step 6: Final answer
    x = 207,861.84

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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.