Home / 283,921.22-425,356.95-143,344.10

Finding the Fourth Proportional to 283,921.22, 425,356.95 and 143,344.10

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Solution

The fourth proportional to 283,921.22, 425,356.95 and 143,344.10 is: 214,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,921.22 : 425,356.95 = 143,344.10 : x
  2. Step 2: Convert to fraction form
    283,921.22/425,356.95 = 143,344.10/x
  3. Step 3: Cross multiply
    283,921.22x = 425,356.95 × 143,344.10
  4. Step 4: Simplify right side
    283,921.22x = 60,972,409,176.50
  5. Step 5: Solve for x
    x = 60,972,409,176.50/283,921.22
  6. Step 6: Final answer
    x = 214,751.15

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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.