Home / 305,909.22-458,872.88-146,001.98

Finding the Fourth Proportional to 305,909.22, 458,872.88 and 146,001.98

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Solution

The fourth proportional to 305,909.22, 458,872.88 and 146,001.98 is: 219,007.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,909.22 : 458,872.88 = 146,001.98 : x
  2. Step 2: Convert to fraction form
    305,909.22/458,872.88 = 146,001.98/x
  3. Step 3: Cross multiply
    305,909.22x = 458,872.88 × 146,001.98
  4. Step 4: Simplify right side
    305,909.22x = 66,996,349,465.47
  5. Step 5: Solve for x
    x = 66,996,349,465.47/305,909.22
  6. Step 6: Final answer
    x = 219,007.29

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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.