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Finding the Fourth Proportional to 366,423.73, 549,714.57 and 113,698.87

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Solution

The fourth proportional to 366,423.73, 549,714.57 and 113,698.87 is: 170,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,423.73 : 549,714.57 = 113,698.87 : x
  2. Step 2: Convert to fraction form
    366,423.73/549,714.57 = 113,698.87/x
  3. Step 3: Cross multiply
    366,423.73x = 549,714.57 × 113,698.87
  4. Step 4: Simplify right side
    366,423.73x = 62,501,925,431.54
  5. Step 5: Solve for x
    x = 62,501,925,431.54/366,423.73
  6. Step 6: Final answer
    x = 170,572.81

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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.