Home / 225,557.40-311,265.76-123,582.04

Finding the Fourth Proportional to 225,557.40, 311,265.76 and 123,582.04

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Solution

The fourth proportional to 225,557.40, 311,265.76 and 123,582.04 is: 170,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,557.40 : 311,265.76 = 123,582.04 : x
  2. Step 2: Convert to fraction form
    225,557.40/311,265.76 = 123,582.04/x
  3. Step 3: Cross multiply
    225,557.40x = 311,265.76 × 123,582.04
  4. Step 4: Simplify right side
    225,557.40x = 38,466,857,602.95
  5. Step 5: Solve for x
    x = 38,466,857,602.95/225,557.40
  6. Step 6: Final answer
    x = 170,541.32

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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.