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Finding the Fourth Proportional to 658,223.84, 987,335.58 and 159,587.84

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Solution

The fourth proportional to 658,223.84, 987,335.58 and 159,587.84 is: 239,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,223.84 : 987,335.58 = 159,587.84 : x
  2. Step 2: Convert to fraction form
    658,223.84/987,335.58 = 159,587.84/x
  3. Step 3: Cross multiply
    658,223.84x = 987,335.58 × 159,587.84
  4. Step 4: Simplify right side
    658,223.84x = 157,566,752,567.35
  5. Step 5: Solve for x
    x = 157,566,752,567.35/658,223.84
  6. Step 6: Final answer
    x = 239,381.72

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Similar ratio
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1.5x scale

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.