Home / 282,861.52-390,358.92-155,546.96

Finding the Fourth Proportional to 282,861.52, 390,358.92 and 155,546.96

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Solution

The fourth proportional to 282,861.52, 390,358.92 and 155,546.96 is: 214,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,861.52 : 390,358.92 = 155,546.96 : x
  2. Step 2: Convert to fraction form
    282,861.52/390,358.92 = 155,546.96/x
  3. Step 3: Cross multiply
    282,861.52x = 390,358.92 × 155,546.96
  4. Step 4: Simplify right side
    282,861.52x = 60,719,143,314.88
  5. Step 5: Solve for x
    x = 60,719,143,314.88/282,861.52
  6. Step 6: Final answer
    x = 214,660.32

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1.5x scale

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.