Home / 386,817.38-580,233.27-134,106.12

Finding the Fourth Proportional to 386,817.38, 580,233.27 and 134,106.12

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Solution

The fourth proportional to 386,817.38, 580,233.27 and 134,106.12 is: 201,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,817.38 : 580,233.27 = 134,106.12 : x
  2. Step 2: Convert to fraction form
    386,817.38/580,233.27 = 134,106.12/x
  3. Step 3: Cross multiply
    386,817.38x = 580,233.27 × 134,106.12
  4. Step 4: Simplify right side
    386,817.38x = 77,812,832,534.61
  5. Step 5: Solve for x
    x = 77,812,832,534.61/386,817.38
  6. Step 6: Final answer
    x = 201,161.67

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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.