Home / 327,210.82-490,721.38-127,486.68

Finding the Fourth Proportional to 327,210.82, 490,721.38 and 127,486.68

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Solution

The fourth proportional to 327,210.82, 490,721.38 and 127,486.68 is: 191,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,210.82 : 490,721.38 = 127,486.68 : x
  2. Step 2: Convert to fraction form
    327,210.82/490,721.38 = 127,486.68/x
  3. Step 3: Cross multiply
    327,210.82x = 490,721.38 × 127,486.68
  4. Step 4: Simplify right side
    327,210.82x = 62,560,439,541.22
  5. Step 5: Solve for x
    x = 62,560,439,541.22/327,210.82
  6. Step 6: Final answer
    x = 191,193.06

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1.5x scale

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.