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Finding the Fourth Proportional to 559,354.79, 838,470.38 and 179,996.72

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Solution

The fourth proportional to 559,354.79, 838,470.38 and 179,996.72 is: 269,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,354.79 : 838,470.38 = 179,996.72 : x
  2. Step 2: Convert to fraction form
    559,354.79/838,470.38 = 179,996.72/x
  3. Step 3: Cross multiply
    559,354.79x = 838,470.38 × 179,996.72
  4. Step 4: Simplify right side
    559,354.79x = 150,921,913,124.82
  5. Step 5: Solve for x
    x = 150,921,913,124.82/559,354.79
  6. Step 6: Final answer
    x = 269,814.29

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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.