Home / 282,627.39-390,044.00-161,807.79

Finding the Fourth Proportional to 282,627.39, 390,044.00 and 161,807.79

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Solution

The fourth proportional to 282,627.39, 390,044.00 and 161,807.79 is: 223,305.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,627.39 : 390,044.00 = 161,807.79 : x
  2. Step 2: Convert to fraction form
    282,627.39/390,044.00 = 161,807.79/x
  3. Step 3: Cross multiply
    282,627.39x = 390,044.00 × 161,807.79
  4. Step 4: Simplify right side
    282,627.39x = 63,112,156,833.72
  5. Step 5: Solve for x
    x = 63,112,156,833.72/282,627.39
  6. Step 6: Final answer
    x = 223,305.17

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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.