Home / 356,755.14-492,337.17-203,818.50

Finding the Fourth Proportional to 356,755.14, 492,337.17 and 203,818.50

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Solution

The fourth proportional to 356,755.14, 492,337.17 and 203,818.50 is: 281,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,755.14 : 492,337.17 = 203,818.50 : x
  2. Step 2: Convert to fraction form
    356,755.14/492,337.17 = 203,818.50/x
  3. Step 3: Cross multiply
    356,755.14x = 492,337.17 × 203,818.50
  4. Step 4: Simplify right side
    356,755.14x = 100,347,423,483.65
  5. Step 5: Solve for x
    x = 100,347,423,483.65/356,755.14
  6. Step 6: Final answer
    x = 281,278.14

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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.