Home / 284,520.32-426,780.16-87,528.32

Finding the Fourth Proportional to 284,520.32, 426,780.16 and 87,528.32

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Solution

The fourth proportional to 284,520.32, 426,780.16 and 87,528.32 is: 131,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,520.32 : 426,780.16 = 87,528.32 : x
  2. Step 2: Convert to fraction form
    284,520.32/426,780.16 = 87,528.32/x
  3. Step 3: Cross multiply
    284,520.32x = 426,780.16 × 87,528.32
  4. Step 4: Simplify right side
    284,520.32x = 37,355,350,414.13
  5. Step 5: Solve for x
    x = 37,355,350,414.13/284,520.32
  6. Step 6: Final answer
    x = 131,292.38

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1.5x scale

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.