Home / 282,326.30-389,439.25-167,529.45

Finding the Fourth Proportional to 282,326.30, 389,439.25 and 167,529.45

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Solution

The fourth proportional to 282,326.30, 389,439.25 and 167,529.45 is: 231,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,326.30 : 389,439.25 = 167,529.45 : x
  2. Step 2: Convert to fraction form
    282,326.30/389,439.25 = 167,529.45/x
  3. Step 3: Cross multiply
    282,326.30x = 389,439.25 × 167,529.45
  4. Step 4: Simplify right side
    282,326.30x = 65,242,542,942.09
  5. Step 5: Solve for x
    x = 65,242,542,942.09/282,326.30
  6. Step 6: Final answer
    x = 231,089.15

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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.