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Finding the Fourth Proportional to 637,451.60, 956,178.04 and 164,138

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Solution

The fourth proportional to 637,451.60, 956,178.04 and 164,138 is: 246,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,451.60 : 956,178.04 = 164,138 : x
  2. Step 2: Convert to fraction form
    637,451.60/956,178.04 = 164,138/x
  3. Step 3: Cross multiply
    637,451.60x = 956,178.04 × 164,138
  4. Step 4: Simplify right side
    637,451.60x = 156,945,151,129.52
  5. Step 5: Solve for x
    x = 156,945,151,129.52/637,451.60
  6. Step 6: Final answer
    x = 246,207.16

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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.