Home / 439,534.20-659,301.30-214,929.30

Finding the Fourth Proportional to 439,534.20, 659,301.30 and 214,929.30

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Solution

The fourth proportional to 439,534.20, 659,301.30 and 214,929.30 is: 322,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,534.20 : 659,301.30 = 214,929.30 : x
  2. Step 2: Convert to fraction form
    439,534.20/659,301.30 = 214,929.30/x
  3. Step 3: Cross multiply
    439,534.20x = 659,301.30 × 214,929.30
  4. Step 4: Simplify right side
    439,534.20x = 141,703,166,898.09
  5. Step 5: Solve for x
    x = 141,703,166,898.09/439,534.20
  6. Step 6: Final answer
    x = 322,393.95

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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.