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Finding the Fourth Proportional to 661,495.16, 991,651.98 and 240,474.44

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Solution

The fourth proportional to 661,495.16, 991,651.98 and 240,474.44 is: 360,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,495.16 : 991,651.98 = 240,474.44 : x
  2. Step 2: Convert to fraction form
    661,495.16/991,651.98 = 240,474.44/x
  3. Step 3: Cross multiply
    661,495.16x = 991,651.98 × 240,474.44
  4. Step 4: Simplify right side
    661,495.16x = 238,466,954,565.39
  5. Step 5: Solve for x
    x = 238,466,954,565.39/661,495.16
  6. Step 6: Final answer
    x = 360,496.90

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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.