Home / 439,898.10-659,715.50-229,421.22

Finding the Fourth Proportional to 439,898.10, 659,715.50 and 229,421.22

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Solution

The fourth proportional to 439,898.10, 659,715.50 and 229,421.22 is: 344,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,898.10 : 659,715.50 = 229,421.22 : x
  2. Step 2: Convert to fraction form
    439,898.10/659,715.50 = 229,421.22/x
  3. Step 3: Cross multiply
    439,898.10x = 659,715.50 × 229,421.22
  4. Step 4: Simplify right side
    439,898.10x = 151,352,734,862.91
  5. Step 5: Solve for x
    x = 151,352,734,862.91/439,898.10
  6. Step 6: Final answer
    x = 344,063.17

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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.