Home / 429,221.52-644,464.26-240,052.50

Finding the Fourth Proportional to 429,221.52, 644,464.26 and 240,052.50

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Solution

The fourth proportional to 429,221.52, 644,464.26 and 240,052.50 is: 360,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,221.52 : 644,464.26 = 240,052.50 : x
  2. Step 2: Convert to fraction form
    429,221.52/644,464.26 = 240,052.50/x
  3. Step 3: Cross multiply
    429,221.52x = 644,464.26 × 240,052.50
  4. Step 4: Simplify right side
    429,221.52x = 154,705,256,773.65
  5. Step 5: Solve for x
    x = 154,705,256,773.65/429,221.52
  6. Step 6: Final answer
    x = 360,432.20

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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.