Home / 435,323.39-652,989.13-131,719.93

Finding the Fourth Proportional to 435,323.39, 652,989.13 and 131,719.93

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Solution

The fourth proportional to 435,323.39, 652,989.13 and 131,719.93 is: 197,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,323.39 : 652,989.13 = 131,719.93 : x
  2. Step 2: Convert to fraction form
    435,323.39/652,989.13 = 131,719.93/x
  3. Step 3: Cross multiply
    435,323.39x = 652,989.13 × 131,719.93
  4. Step 4: Simplify right side
    435,323.39x = 86,011,680,532.59
  5. Step 5: Solve for x
    x = 86,011,680,532.59/435,323.39
  6. Step 6: Final answer
    x = 197,581.12

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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.