Home / 409,569.39-614,630.88-143,332.25

Finding the Fourth Proportional to 409,569.39, 614,630.88 and 143,332.25

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Solution

The fourth proportional to 409,569.39, 614,630.88 and 143,332.25 is: 215,095.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,569.39 : 614,630.88 = 143,332.25 : x
  2. Step 2: Convert to fraction form
    409,569.39/614,630.88 = 143,332.25/x
  3. Step 3: Cross multiply
    409,569.39x = 614,630.88 × 143,332.25
  4. Step 4: Simplify right side
    409,569.39x = 88,096,423,876.73
  5. Step 5: Solve for x
    x = 88,096,423,876.73/409,569.39
  6. Step 6: Final answer
    x = 215,095.23

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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.