Home / 321,531.82-482,398.11-193,588.36

Finding the Fourth Proportional to 321,531.82, 482,398.11 and 193,588.36

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Solution

The fourth proportional to 321,531.82, 482,398.11 and 193,588.36 is: 290,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,531.82 : 482,398.11 = 193,588.36 : x
  2. Step 2: Convert to fraction form
    321,531.82/482,398.11 = 193,588.36/x
  3. Step 3: Cross multiply
    321,531.82x = 482,398.11 × 193,588.36
  4. Step 4: Simplify right side
    321,531.82x = 93,386,657,776.00
  5. Step 5: Solve for x
    x = 93,386,657,776.00/321,531.82
  6. Step 6: Final answer
    x = 290,442.98

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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.