Home / 280,299.60-386,799.24-152,974.16

Finding the Fourth Proportional to 280,299.60, 386,799.24 and 152,974.16

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Solution

The fourth proportional to 280,299.60, 386,799.24 and 152,974.16 is: 211,096.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,299.60 : 386,799.24 = 152,974.16 : x
  2. Step 2: Convert to fraction form
    280,299.60/386,799.24 = 152,974.16/x
  3. Step 3: Cross multiply
    280,299.60x = 386,799.24 × 152,974.16
  4. Step 4: Simplify right side
    280,299.60x = 59,170,288,827.64
  5. Step 5: Solve for x
    x = 59,170,288,827.64/280,299.60
  6. Step 6: Final answer
    x = 211,096.59

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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.