Home / 282,882.30-390,377.02-162,062.70

Finding the Fourth Proportional to 282,882.30, 390,377.02 and 162,062.70

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Solution

The fourth proportional to 282,882.30, 390,377.02 and 162,062.70 is: 223,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,882.30 : 390,377.02 = 162,062.70 : x
  2. Step 2: Convert to fraction form
    282,882.30/390,377.02 = 162,062.70/x
  3. Step 3: Cross multiply
    282,882.30x = 390,377.02 × 162,062.70
  4. Step 4: Simplify right side
    282,882.30x = 63,265,553,879.15
  5. Step 5: Solve for x
    x = 63,265,553,879.15/282,882.30
  6. Step 6: Final answer
    x = 223,646.21

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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.