Home / 288,422.85-432,030.82-231,957.75

Finding the Fourth Proportional to 288,422.85, 432,030.82 and 231,957.75

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Solution

The fourth proportional to 288,422.85, 432,030.82 and 231,957.75 is: 347,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,422.85 : 432,030.82 = 231,957.75 : x
  2. Step 2: Convert to fraction form
    288,422.85/432,030.82 = 231,957.75/x
  3. Step 3: Cross multiply
    288,422.85x = 432,030.82 × 231,957.75
  4. Step 4: Simplify right side
    288,422.85x = 100,212,893,617.91
  5. Step 5: Solve for x
    x = 100,212,893,617.91/288,422.85
  6. Step 6: Final answer
    x = 347,451.30

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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.