Home / 284,222.32-425,545.80-143,687.20

Finding the Fourth Proportional to 284,222.32, 425,545.80 and 143,687.20

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Solution

The fourth proportional to 284,222.32, 425,545.80 and 143,687.20 is: 215,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,222.32 : 425,545.80 = 143,687.20 : x
  2. Step 2: Convert to fraction form
    284,222.32/425,545.80 = 143,687.20/x
  3. Step 3: Cross multiply
    284,222.32x = 425,545.80 × 143,687.20
  4. Step 4: Simplify right side
    284,222.32x = 61,145,484,473.76
  5. Step 5: Solve for x
    x = 61,145,484,473.76/284,222.32
  6. Step 6: Final answer
    x = 215,132.59

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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.