Home / 281,005.52-421,577.40-198,061.52

Finding the Fourth Proportional to 281,005.52, 421,577.40 and 198,061.52

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Solution

The fourth proportional to 281,005.52, 421,577.40 and 198,061.52 is: 297,141.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,005.52 : 421,577.40 = 198,061.52 : x
  2. Step 2: Convert to fraction form
    281,005.52/421,577.40 = 198,061.52/x
  3. Step 3: Cross multiply
    281,005.52x = 421,577.40 × 198,061.52
  4. Step 4: Simplify right side
    281,005.52x = 83,498,260,641.65
  5. Step 5: Solve for x
    x = 83,498,260,641.65/281,005.52
  6. Step 6: Final answer
    x = 297,141.00

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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.