Home / 325,156.17-487,780.98-100,534.11

Finding the Fourth Proportional to 325,156.17, 487,780.98 and 100,534.11

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Solution

The fourth proportional to 325,156.17, 487,780.98 and 100,534.11 is: 150,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,156.17 : 487,780.98 = 100,534.11 : x
  2. Step 2: Convert to fraction form
    325,156.17/487,780.98 = 100,534.11/x
  3. Step 3: Cross multiply
    325,156.17x = 487,780.98 × 100,534.11
  4. Step 4: Simplify right side
    325,156.17x = 49,038,626,196.56
  5. Step 5: Solve for x
    x = 49,038,626,196.56/325,156.17
  6. Step 6: Final answer
    x = 150,815.61

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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.