Home / 272,026.90-408,040.35-188,046.10

Finding the Fourth Proportional to 272,026.90, 408,040.35 and 188,046.10

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Solution

The fourth proportional to 272,026.90, 408,040.35 and 188,046.10 is: 282,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,026.90 : 408,040.35 = 188,046.10 : x
  2. Step 2: Convert to fraction form
    272,026.90/408,040.35 = 188,046.10/x
  3. Step 3: Cross multiply
    272,026.90x = 408,040.35 × 188,046.10
  4. Step 4: Simplify right side
    272,026.90x = 76,730,396,460.14
  5. Step 5: Solve for x
    x = 76,730,396,460.14/272,026.90
  6. Step 6: Final answer
    x = 282,069.15

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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.