Home / 288,377.28-432,577.82-98,967.80

Finding the Fourth Proportional to 288,377.28, 432,577.82 and 98,967.80

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Solution

The fourth proportional to 288,377.28, 432,577.82 and 98,967.80 is: 148,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,377.28 : 432,577.82 = 98,967.80 : x
  2. Step 2: Convert to fraction form
    288,377.28/432,577.82 = 98,967.80/x
  3. Step 3: Cross multiply
    288,377.28x = 432,577.82 × 98,967.80
  4. Step 4: Simplify right side
    288,377.28x = 42,811,275,174.20
  5. Step 5: Solve for x
    x = 42,811,275,174.20/288,377.28
  6. Step 6: Final answer
    x = 148,455.78

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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.