Home / 543,892.20-815,838.94-169,917.16

Finding the Fourth Proportional to 543,892.20, 815,838.94 and 169,917.16

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Solution

The fourth proportional to 543,892.20, 815,838.94 and 169,917.16 is: 254,875.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,892.20 : 815,838.94 = 169,917.16 : x
  2. Step 2: Convert to fraction form
    543,892.20/815,838.94 = 169,917.16/x
  3. Step 3: Cross multiply
    543,892.20x = 815,838.94 × 169,917.16
  4. Step 4: Simplify right side
    543,892.20x = 138,625,035,702.21
  5. Step 5: Solve for x
    x = 138,625,035,702.21/543,892.20
  6. Step 6: Final answer
    x = 254,875.94

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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.