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Finding the Fourth Proportional to 532,046.37, 797,921.90 and 147,706.93

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Solution

The fourth proportional to 532,046.37, 797,921.90 and 147,706.93 is: 221,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,046.37 : 797,921.90 = 147,706.93 : x
  2. Step 2: Convert to fraction form
    532,046.37/797,921.90 = 147,706.93/x
  3. Step 3: Cross multiply
    532,046.37x = 797,921.90 × 147,706.93
  4. Step 4: Simplify right side
    532,046.37x = 117,858,593,490.23
  5. Step 5: Solve for x
    x = 117,858,593,490.23/532,046.37
  6. Step 6: Final answer
    x = 221,519.40

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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.