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Finding the Fourth Proportional to 437,633.01, 656,560.22 and 122,089.68

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Solution

The fourth proportional to 437,633.01, 656,560.22 and 122,089.68 is: 183,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,633.01 : 656,560.22 = 122,089.68 : x
  2. Step 2: Convert to fraction form
    437,633.01/656,560.22 = 122,089.68/x
  3. Step 3: Cross multiply
    437,633.01x = 656,560.22 × 122,089.68
  4. Step 4: Simplify right side
    437,633.01x = 80,159,226,550.08
  5. Step 5: Solve for x
    x = 80,159,226,550.08/437,633.01
  6. Step 6: Final answer
    x = 183,165.40

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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.