Home / 206,345.28-284,706.72-130,866.24

Finding the Fourth Proportional to 206,345.28, 284,706.72 and 130,866.24

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Solution

The fourth proportional to 206,345.28, 284,706.72 and 130,866.24 is: 180,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,345.28 : 284,706.72 = 130,866.24 : x
  2. Step 2: Convert to fraction form
    206,345.28/284,706.72 = 130,866.24/x
  3. Step 3: Cross multiply
    206,345.28x = 284,706.72 × 130,866.24
  4. Step 4: Simplify right side
    206,345.28x = 37,258,497,949.13
  5. Step 5: Solve for x
    x = 37,258,497,949.13/206,345.28
  6. Step 6: Final answer
    x = 180,563.85

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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.