Home / 283,298.20-424,947.30-96,309.70

Finding the Fourth Proportional to 283,298.20, 424,947.30 and 96,309.70

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Solution

The fourth proportional to 283,298.20, 424,947.30 and 96,309.70 is: 144,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,298.20 : 424,947.30 = 96,309.70 : x
  2. Step 2: Convert to fraction form
    283,298.20/424,947.30 = 96,309.70/x
  3. Step 3: Cross multiply
    283,298.20x = 424,947.30 × 96,309.70
  4. Step 4: Simplify right side
    283,298.20x = 40,926,546,978.81
  5. Step 5: Solve for x
    x = 40,926,546,978.81/283,298.20
  6. Step 6: Final answer
    x = 144,464.55

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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.