Home / 288,982.30-433,473.45-239,215.90

Finding the Fourth Proportional to 288,982.30, 433,473.45 and 239,215.90

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Solution

The fourth proportional to 288,982.30, 433,473.45 and 239,215.90 is: 358,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,982.30 : 433,473.45 = 239,215.90 : x
  2. Step 2: Convert to fraction form
    288,982.30/433,473.45 = 239,215.90/x
  3. Step 3: Cross multiply
    288,982.30x = 433,473.45 × 239,215.90
  4. Step 4: Simplify right side
    288,982.30x = 103,693,741,467.86
  5. Step 5: Solve for x
    x = 103,693,741,467.86/288,982.30
  6. Step 6: Final answer
    x = 358,823.85

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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.