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Finding the Fourth Proportional to 478,223.52, 659,943.48 and 263,359.02

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Solution

The fourth proportional to 478,223.52, 659,943.48 and 263,359.02 is: 363,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,223.52 : 659,943.48 = 263,359.02 : x
  2. Step 2: Convert to fraction form
    478,223.52/659,943.48 = 263,359.02/x
  3. Step 3: Cross multiply
    478,223.52x = 659,943.48 × 263,359.02
  4. Step 4: Simplify right side
    478,223.52x = 173,802,068,148.19
  5. Step 5: Solve for x
    x = 173,802,068,148.19/478,223.52
  6. Step 6: Final answer
    x = 363,432.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.