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Finding the Fourth Proportional to 307,545.88, 424,392.24 and 178,488.10

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Solution

The fourth proportional to 307,545.88, 424,392.24 and 178,488.10 is: 246,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,545.88 : 424,392.24 = 178,488.10 : x
  2. Step 2: Convert to fraction form
    307,545.88/424,392.24 = 178,488.10/x
  3. Step 3: Cross multiply
    307,545.88x = 424,392.24 × 178,488.10
  4. Step 4: Simplify right side
    307,545.88x = 75,748,964,572.34
  5. Step 5: Solve for x
    x = 75,748,964,572.34/307,545.88
  6. Step 6: Final answer
    x = 246,301.35

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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.