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Finding the Fourth Proportional to 317,599.90, 438,292.83 and 174,373

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Solution

The fourth proportional to 317,599.90, 438,292.83 and 174,373 is: 240,637.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,599.90 : 438,292.83 = 174,373 : x
  2. Step 2: Convert to fraction form
    317,599.90/438,292.83 = 174,373/x
  3. Step 3: Cross multiply
    317,599.90x = 438,292.83 × 174,373
  4. Step 4: Simplify right side
    317,599.90x = 76,426,435,645.59
  5. Step 5: Solve for x
    x = 76,426,435,645.59/317,599.90
  6. Step 6: Final answer
    x = 240,637.47

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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.