Home / 220,949.12-304,812.72-149,303.04

Finding the Fourth Proportional to 220,949.12, 304,812.72 and 149,303.04

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Solution

The fourth proportional to 220,949.12, 304,812.72 and 149,303.04 is: 205,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,949.12 : 304,812.72 = 149,303.04 : x
  2. Step 2: Convert to fraction form
    220,949.12/304,812.72 = 149,303.04/x
  3. Step 3: Cross multiply
    220,949.12x = 304,812.72 × 149,303.04
  4. Step 4: Simplify right side
    220,949.12x = 45,509,465,726.67
  5. Step 5: Solve for x
    x = 45,509,465,726.67/220,949.12
  6. Step 6: Final answer
    x = 205,972.60

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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.