Home / 325,269.36-487,949.40-147,821.04

Finding the Fourth Proportional to 325,269.36, 487,949.40 and 147,821.04

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Solution

The fourth proportional to 325,269.36, 487,949.40 and 147,821.04 is: 221,752.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,269.36 : 487,949.40 = 147,821.04 : x
  2. Step 2: Convert to fraction form
    325,269.36/487,949.40 = 147,821.04/x
  3. Step 3: Cross multiply
    325,269.36x = 487,949.40 × 147,821.04
  4. Step 4: Simplify right side
    325,269.36x = 72,129,187,775.38
  5. Step 5: Solve for x
    x = 72,129,187,775.38/325,269.36
  6. Step 6: Final answer
    x = 221,752.17

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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.