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Finding the Fourth Proportional to 486,249.10, 729,045.60 and 233,650.60

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Solution

The fourth proportional to 486,249.10, 729,045.60 and 233,650.60 is: 350,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,249.10 : 729,045.60 = 233,650.60 : x
  2. Step 2: Convert to fraction form
    486,249.10/729,045.60 = 233,650.60/x
  3. Step 3: Cross multiply
    486,249.10x = 729,045.60 × 233,650.60
  4. Step 4: Simplify right side
    486,249.10x = 170,341,941,867.36
  5. Step 5: Solve for x
    x = 170,341,941,867.36/486,249.10
  6. Step 6: Final answer
    x = 350,318.27

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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.