Home / 354,384.74-531,579.18-88,145.30

Finding the Fourth Proportional to 354,384.74, 531,579.18 and 88,145.30

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Solution

The fourth proportional to 354,384.74, 531,579.18 and 88,145.30 is: 132,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,384.74 : 531,579.18 = 88,145.30 : x
  2. Step 2: Convert to fraction form
    354,384.74/531,579.18 = 88,145.30/x
  3. Step 3: Cross multiply
    354,384.74x = 531,579.18 × 88,145.30
  4. Step 4: Simplify right side
    354,384.74x = 46,856,206,294.85
  5. Step 5: Solve for x
    x = 46,856,206,294.85/354,384.74
  6. Step 6: Final answer
    x = 132,218.46

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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.