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Finding the Fourth Proportional to 497,492.20, 746,235.84 and 123,515.20

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Solution

The fourth proportional to 497,492.20, 746,235.84 and 123,515.20 is: 185,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,492.20 : 746,235.84 = 123,515.20 : x
  2. Step 2: Convert to fraction form
    497,492.20/746,235.84 = 123,515.20/x
  3. Step 3: Cross multiply
    497,492.20x = 746,235.84 × 123,515.20
  4. Step 4: Simplify right side
    497,492.20x = 92,171,469,024.77
  5. Step 5: Solve for x
    x = 92,171,469,024.77/497,492.20
  6. Step 6: Final answer
    x = 185,272.19

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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.