Home / 269,316.90-403,985.56-100,819.50

Finding the Fourth Proportional to 269,316.90, 403,985.56 and 100,819.50

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Solution

The fourth proportional to 269,316.90, 403,985.56 and 100,819.50 is: 151,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,316.90 : 403,985.56 = 100,819.50 : x
  2. Step 2: Convert to fraction form
    269,316.90/403,985.56 = 100,819.50/x
  3. Step 3: Cross multiply
    269,316.90x = 403,985.56 × 100,819.50
  4. Step 4: Simplify right side
    269,316.90x = 40,729,622,166.42
  5. Step 5: Solve for x
    x = 40,729,622,166.42/269,316.90
  6. Step 6: Final answer
    x = 151,233.07

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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.