Home / 254,731.20-351,420-159,071.84

Finding the Fourth Proportional to 254,731.20, 351,420 and 159,071.84

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Solution

The fourth proportional to 254,731.20, 351,420 and 159,071.84 is: 219,451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,731.20 : 351,420 = 159,071.84 : x
  2. Step 2: Convert to fraction form
    254,731.20/351,420 = 159,071.84/x
  3. Step 3: Cross multiply
    254,731.20x = 351,420 × 159,071.84
  4. Step 4: Simplify right side
    254,731.20x = 55,901,026,012.80
  5. Step 5: Solve for x
    x = 55,901,026,012.80/254,731.20
  6. Step 6: Final answer
    x = 219,451.04

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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.