Home / 283,614.32-425,683.92-143,471.36

Finding the Fourth Proportional to 283,614.32, 425,683.92 and 143,471.36

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Solution

The fourth proportional to 283,614.32, 425,683.92 and 143,471.36 is: 215,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,614.32 : 425,683.92 = 143,471.36 : x
  2. Step 2: Convert to fraction form
    283,614.32/425,683.92 = 143,471.36/x
  3. Step 3: Cross multiply
    283,614.32x = 425,683.92 × 143,471.36
  4. Step 4: Simplify right side
    283,614.32x = 61,073,450,932.53
  5. Step 5: Solve for x
    x = 61,073,450,932.53/283,614.32
  6. Step 6: Final answer
    x = 215,339.80

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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.