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Finding the Fourth Proportional to 307,340.39, 424,134.98 and 169,535.14

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Solution

The fourth proportional to 307,340.39, 424,134.98 and 169,535.14 is: 233,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,340.39 : 424,134.98 = 169,535.14 : x
  2. Step 2: Convert to fraction form
    307,340.39/424,134.98 = 169,535.14/x
  3. Step 3: Cross multiply
    307,340.39x = 424,134.98 × 169,535.14
  4. Step 4: Simplify right side
    307,340.39x = 71,905,781,940.94
  5. Step 5: Solve for x
    x = 71,905,781,940.94/307,340.39
  6. Step 6: Final answer
    x = 233,961.38

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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.