Home / 296,641.14-445,037.04-86,279.07

Finding the Fourth Proportional to 296,641.14, 445,037.04 and 86,279.07

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Solution

The fourth proportional to 296,641.14, 445,037.04 and 86,279.07 is: 129,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,641.14 : 445,037.04 = 86,279.07 : x
  2. Step 2: Convert to fraction form
    296,641.14/445,037.04 = 86,279.07/x
  3. Step 3: Cross multiply
    296,641.14x = 445,037.04 × 86,279.07
  4. Step 4: Simplify right side
    296,641.14x = 38,397,381,926.75
  5. Step 5: Solve for x
    x = 38,397,381,926.75/296,641.14
  6. Step 6: Final answer
    x = 129,440.51

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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.