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Finding the Fourth Proportional to 317,464.78, 438,100.02 and 174,227.14

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Solution

The fourth proportional to 317,464.78, 438,100.02 and 174,227.14 is: 240,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,464.78 : 438,100.02 = 174,227.14 : x
  2. Step 2: Convert to fraction form
    317,464.78/438,100.02 = 174,227.14/x
  3. Step 3: Cross multiply
    317,464.78x = 438,100.02 × 174,227.14
  4. Step 4: Simplify right side
    317,464.78x = 76,328,913,518.54
  5. Step 5: Solve for x
    x = 76,328,913,518.54/317,464.78
  6. Step 6: Final answer
    x = 240,432.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.