Home / 482,045.43-723,116.09-178,520.81

Finding the Fourth Proportional to 482,045.43, 723,116.09 and 178,520.81

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Solution

The fourth proportional to 482,045.43, 723,116.09 and 178,520.81 is: 267,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,045.43 : 723,116.09 = 178,520.81 : x
  2. Step 2: Convert to fraction form
    482,045.43/723,116.09 = 178,520.81/x
  3. Step 3: Cross multiply
    482,045.43x = 723,116.09 × 178,520.81
  4. Step 4: Simplify right side
    482,045.43x = 129,091,268,749.35
  5. Step 5: Solve for x
    x = 129,091,268,749.35/482,045.43
  6. Step 6: Final answer
    x = 267,798.97

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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.