Home / 335,123.04-462,126.96-221,904.48

Finding the Fourth Proportional to 335,123.04, 462,126.96 and 221,904.48

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Solution

The fourth proportional to 335,123.04, 462,126.96 and 221,904.48 is: 306,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,123.04 : 462,126.96 = 221,904.48 : x
  2. Step 2: Convert to fraction form
    335,123.04/462,126.96 = 221,904.48/x
  3. Step 3: Cross multiply
    335,123.04x = 462,126.96 × 221,904.48
  4. Step 4: Simplify right side
    335,123.04x = 102,548,042,752.78
  5. Step 5: Solve for x
    x = 102,548,042,752.78/335,123.04
  6. Step 6: Final answer
    x = 306,001.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.