Home / 303,327.03-454,990.56-103,649.07

Finding the Fourth Proportional to 303,327.03, 454,990.56 and 103,649.07

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Solution

The fourth proportional to 303,327.03, 454,990.56 and 103,649.07 is: 155,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,327.03 : 454,990.56 = 103,649.07 : x
  2. Step 2: Convert to fraction form
    303,327.03/454,990.56 = 103,649.07/x
  3. Step 3: Cross multiply
    303,327.03x = 454,990.56 × 103,649.07
  4. Step 4: Simplify right side
    303,327.03x = 47,159,348,402.78
  5. Step 5: Solve for x
    x = 47,159,348,402.78/303,327.03
  6. Step 6: Final answer
    x = 155,473.61

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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.