Home / 283,617.70-425,426.55-143,358.10

Finding the Fourth Proportional to 283,617.70, 425,426.55 and 143,358.10

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Solution

The fourth proportional to 283,617.70, 425,426.55 and 143,358.10 is: 215,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,617.70 : 425,426.55 = 143,358.10 : x
  2. Step 2: Convert to fraction form
    283,617.70/425,426.55 = 143,358.10/x
  3. Step 3: Cross multiply
    283,617.70x = 425,426.55 × 143,358.10
  4. Step 4: Simplify right side
    283,617.70x = 60,988,341,897.56
  5. Step 5: Solve for x
    x = 60,988,341,897.56/283,617.70
  6. Step 6: Final answer
    x = 215,037.15

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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.