Home / 282,141.18-389,326.47-168,961.02

Finding the Fourth Proportional to 282,141.18, 389,326.47 and 168,961.02

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Solution

The fourth proportional to 282,141.18, 389,326.47 and 168,961.02 is: 233,149.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,141.18 : 389,326.47 = 168,961.02 : x
  2. Step 2: Convert to fraction form
    282,141.18/389,326.47 = 168,961.02/x
  3. Step 3: Cross multiply
    282,141.18x = 389,326.47 × 168,961.02
  4. Step 4: Simplify right side
    282,141.18x = 65,780,997,484.20
  5. Step 5: Solve for x
    x = 65,780,997,484.20/282,141.18
  6. Step 6: Final answer
    x = 233,149.23

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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.