Home / 438,828.52-658,248.90-154,528.24

Finding the Fourth Proportional to 438,828.52, 658,248.90 and 154,528.24

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Solution

The fourth proportional to 438,828.52, 658,248.90 and 154,528.24 is: 231,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,828.52 : 658,248.90 = 154,528.24 : x
  2. Step 2: Convert to fraction form
    438,828.52/658,248.90 = 154,528.24/x
  3. Step 3: Cross multiply
    438,828.52x = 658,248.90 × 154,528.24
  4. Step 4: Simplify right side
    438,828.52x = 101,718,043,998.94
  5. Step 5: Solve for x
    x = 101,718,043,998.94/438,828.52
  6. Step 6: Final answer
    x = 231,794.52

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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.