Home / 283,724.20-425,586.30-143,756.20

Finding the Fourth Proportional to 283,724.20, 425,586.30 and 143,756.20

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Solution

The fourth proportional to 283,724.20, 425,586.30 and 143,756.20 is: 215,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,724.20 : 425,586.30 = 143,756.20 : x
  2. Step 2: Convert to fraction form
    283,724.20/425,586.30 = 143,756.20/x
  3. Step 3: Cross multiply
    283,724.20x = 425,586.30 × 143,756.20
  4. Step 4: Simplify right side
    283,724.20x = 61,180,669,260.06
  5. Step 5: Solve for x
    x = 61,180,669,260.06/283,724.20
  6. Step 6: Final answer
    x = 215,634.30

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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.