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Finding the Fourth Proportional to 497,687.58, 746,530.83 and 123,710.58

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Solution

The fourth proportional to 497,687.58, 746,530.83 and 123,710.58 is: 185,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,687.58 : 746,530.83 = 123,710.58 : x
  2. Step 2: Convert to fraction form
    497,687.58/746,530.83 = 123,710.58/x
  3. Step 3: Cross multiply
    497,687.58x = 746,530.83 × 123,710.58
  4. Step 4: Simplify right side
    497,687.58x = 92,353,761,967.18
  5. Step 5: Solve for x
    x = 92,353,761,967.18/497,687.58
  6. Step 6: Final answer
    x = 185,565.74

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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.