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Finding the Fourth Proportional to 307,735, 424,688.97 and 173,599

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Solution

The fourth proportional to 307,735, 424,688.97 and 173,599 is: 239,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,735 : 424,688.97 = 173,599 : x
  2. Step 2: Convert to fraction form
    307,735/424,688.97 = 173,599/x
  3. Step 3: Cross multiply
    307,735x = 424,688.97 × 173,599
  4. Step 4: Simplify right side
    307,735x = 73,725,580,503.03
  5. Step 5: Solve for x
    x = 73,725,580,503.03/307,735
  6. Step 6: Final answer
    x = 239,574.90

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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.