Home / 282,793.29-390,257.28-153,732.02

Finding the Fourth Proportional to 282,793.29, 390,257.28 and 153,732.02

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Solution

The fourth proportional to 282,793.29, 390,257.28 and 153,732.02 is: 212,151.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,793.29 : 390,257.28 = 153,732.02 : x
  2. Step 2: Convert to fraction form
    282,793.29/390,257.28 = 153,732.02/x
  3. Step 3: Cross multiply
    282,793.29x = 390,257.28 × 153,732.02
  4. Step 4: Simplify right side
    282,793.29x = 59,995,038,022.82
  5. Step 5: Solve for x
    x = 59,995,038,022.82/282,793.29
  6. Step 6: Final answer
    x = 212,151.56

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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.