Home / 439,354.08-658,278.90-239,814.54

Finding the Fourth Proportional to 439,354.08, 658,278.90 and 239,814.54

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Solution

The fourth proportional to 439,354.08, 658,278.90 and 239,814.54 is: 359,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,354.08 : 658,278.90 = 239,814.54 : x
  2. Step 2: Convert to fraction form
    439,354.08/658,278.90 = 239,814.54/x
  3. Step 3: Cross multiply
    439,354.08x = 658,278.90 × 239,814.54
  4. Step 4: Simplify right side
    439,354.08x = 157,864,851,595.21
  5. Step 5: Solve for x
    x = 157,864,851,595.21/439,354.08
  6. Step 6: Final answer
    x = 359,311.22

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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.