Home / 502,828.32-753,909.54-199,021.20

Finding the Fourth Proportional to 502,828.32, 753,909.54 and 199,021.20

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Solution

The fourth proportional to 502,828.32, 753,909.54 and 199,021.20 is: 298,400.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,828.32 : 753,909.54 = 199,021.20 : x
  2. Step 2: Convert to fraction form
    502,828.32/753,909.54 = 199,021.20/x
  3. Step 3: Cross multiply
    502,828.32x = 753,909.54 × 199,021.20
  4. Step 4: Simplify right side
    502,828.32x = 150,043,981,342.25
  5. Step 5: Solve for x
    x = 150,043,981,342.25/502,828.32
  6. Step 6: Final answer
    x = 298,400.02

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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.