Home / 282,001.66-389,187.24-154,702.06

Finding the Fourth Proportional to 282,001.66, 389,187.24 and 154,702.06

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Solution

The fourth proportional to 282,001.66, 389,187.24 and 154,702.06 is: 213,502.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,001.66 : 389,187.24 = 154,702.06 : x
  2. Step 2: Convert to fraction form
    282,001.66/389,187.24 = 154,702.06/x
  3. Step 3: Cross multiply
    282,001.66x = 389,187.24 × 154,702.06
  4. Step 4: Simplify right side
    282,001.66x = 60,208,067,753.71
  5. Step 5: Solve for x
    x = 60,208,067,753.71/282,001.66
  6. Step 6: Final answer
    x = 213,502.53

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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.