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Finding the Fourth Proportional to 317,740.33, 476,610.29 and 93,100.63

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Solution

The fourth proportional to 317,740.33, 476,610.29 and 93,100.63 is: 139,650.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,740.33 : 476,610.29 = 93,100.63 : x
  2. Step 2: Convert to fraction form
    317,740.33/476,610.29 = 93,100.63/x
  3. Step 3: Cross multiply
    317,740.33x = 476,610.29 × 93,100.63
  4. Step 4: Simplify right side
    317,740.33x = 44,372,718,263.48
  5. Step 5: Solve for x
    x = 44,372,718,263.48/317,740.33
  6. Step 6: Final answer
    x = 139,650.88

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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.