Home / 268,438.88-370,436.21-147,579.29

Finding the Fourth Proportional to 268,438.88, 370,436.21 and 147,579.29

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Solution

The fourth proportional to 268,438.88, 370,436.21 and 147,579.29 is: 203,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,438.88 : 370,436.21 = 147,579.29 : x
  2. Step 2: Convert to fraction form
    268,438.88/370,436.21 = 147,579.29/x
  3. Step 3: Cross multiply
    268,438.88x = 370,436.21 × 147,579.29
  4. Step 4: Simplify right side
    268,438.88x = 54,668,710,272.01
  5. Step 5: Solve for x
    x = 54,668,710,272.01/268,438.88
  6. Step 6: Final answer
    x = 203,654.22

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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.