Home / 314,119.20-471,172.70-89,481.08

Finding the Fourth Proportional to 314,119.20, 471,172.70 and 89,481.08

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Solution

The fourth proportional to 314,119.20, 471,172.70 and 89,481.08 is: 134,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,119.20 : 471,172.70 = 89,481.08 : x
  2. Step 2: Convert to fraction form
    314,119.20/471,172.70 = 89,481.08/x
  3. Step 3: Cross multiply
    314,119.20x = 471,172.70 × 89,481.08
  4. Step 4: Simplify right side
    314,119.20x = 42,161,042,062.52
  5. Step 5: Solve for x
    x = 42,161,042,062.52/314,119.20
  6. Step 6: Final answer
    x = 134,219.88

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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.