Home / 439,488.40-658,359.12-214,191.84

Finding the Fourth Proportional to 439,488.40, 658,359.12 and 214,191.84

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Solution

The fourth proportional to 439,488.40, 658,359.12 and 214,191.84 is: 320,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,488.40 : 658,359.12 = 214,191.84 : x
  2. Step 2: Convert to fraction form
    439,488.40/658,359.12 = 214,191.84/x
  3. Step 3: Cross multiply
    439,488.40x = 658,359.12 × 214,191.84
  4. Step 4: Simplify right side
    439,488.40x = 141,015,151,293.58
  5. Step 5: Solve for x
    x = 141,015,151,293.58/439,488.40
  6. Step 6: Final answer
    x = 320,862.06

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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.