Home / 494,762.20-742,143.30-162,338.20

Finding the Fourth Proportional to 494,762.20, 742,143.30 and 162,338.20

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Solution

The fourth proportional to 494,762.20, 742,143.30 and 162,338.20 is: 243,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,762.20 : 742,143.30 = 162,338.20 : x
  2. Step 2: Convert to fraction form
    494,762.20/742,143.30 = 162,338.20/x
  3. Step 3: Cross multiply
    494,762.20x = 742,143.30 × 162,338.20
  4. Step 4: Simplify right side
    494,762.20x = 120,478,207,464.06
  5. Step 5: Solve for x
    x = 120,478,207,464.06/494,762.20
  6. Step 6: Final answer
    x = 243,507.30

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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.