Home / 269,319.90-403,990.06-100,822.50

Finding the Fourth Proportional to 269,319.90, 403,990.06 and 100,822.50

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Solution

The fourth proportional to 269,319.90, 403,990.06 and 100,822.50 is: 151,237.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,319.90 : 403,990.06 = 100,822.50 : x
  2. Step 2: Convert to fraction form
    269,319.90/403,990.06 = 100,822.50/x
  3. Step 3: Cross multiply
    269,319.90x = 403,990.06 × 100,822.50
  4. Step 4: Simplify right side
    269,319.90x = 40,731,287,824.35
  5. Step 5: Solve for x
    x = 40,731,287,824.35/269,319.90
  6. Step 6: Final answer
    x = 151,237.57

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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.