Home / 286,868.28-395,872.61-159,541.14

Finding the Fourth Proportional to 286,868.28, 395,872.61 and 159,541.14

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Solution

The fourth proportional to 286,868.28, 395,872.61 and 159,541.14 is: 220,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,868.28 : 395,872.61 = 159,541.14 : x
  2. Step 2: Convert to fraction form
    286,868.28/395,872.61 = 159,541.14/x
  3. Step 3: Cross multiply
    286,868.28x = 395,872.61 × 159,541.14
  4. Step 4: Simplify right side
    286,868.28x = 63,157,966,696.47
  5. Step 5: Solve for x
    x = 63,157,966,696.47/286,868.28
  6. Step 6: Final answer
    x = 220,163.65

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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.