Home / 439,823.70-659,735.55-229,871.70

Finding the Fourth Proportional to 439,823.70, 659,735.55 and 229,871.70

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Solution

The fourth proportional to 439,823.70, 659,735.55 and 229,871.70 is: 344,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,823.70 : 659,735.55 = 229,871.70 : x
  2. Step 2: Convert to fraction form
    439,823.70/659,735.55 = 229,871.70/x
  3. Step 3: Cross multiply
    439,823.70x = 659,735.55 × 229,871.70
  4. Step 4: Simplify right side
    439,823.70x = 151,654,532,428.94
  5. Step 5: Solve for x
    x = 151,654,532,428.94/439,823.70
  6. Step 6: Final answer
    x = 344,807.55

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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.