Home / 295,020.70-442,531.05-261,778.30

Finding the Fourth Proportional to 295,020.70, 442,531.05 and 261,778.30

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Solution

The fourth proportional to 295,020.70, 442,531.05 and 261,778.30 is: 392,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,020.70 : 442,531.05 = 261,778.30 : x
  2. Step 2: Convert to fraction form
    295,020.70/442,531.05 = 261,778.30/x
  3. Step 3: Cross multiply
    295,020.70x = 442,531.05 × 261,778.30
  4. Step 4: Simplify right side
    295,020.70x = 115,845,025,966.22
  5. Step 5: Solve for x
    x = 115,845,025,966.22/295,020.70
  6. Step 6: Final answer
    x = 392,667.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.