Home / 233,139.92-321,865.80-153,882.32

Finding the Fourth Proportional to 233,139.92, 321,865.80 and 153,882.32

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Solution

The fourth proportional to 233,139.92, 321,865.80 and 153,882.32 is: 212,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,139.92 : 321,865.80 = 153,882.32 : x
  2. Step 2: Convert to fraction form
    233,139.92/321,865.80 = 153,882.32/x
  3. Step 3: Cross multiply
    233,139.92x = 321,865.80 × 153,882.32
  4. Step 4: Simplify right side
    233,139.92x = 49,529,456,032.66
  5. Step 5: Solve for x
    x = 49,529,456,032.66/233,139.92
  6. Step 6: Final answer
    x = 212,445.20

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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.