Home / 327,637.98-491,457.17-90,980.69

Finding the Fourth Proportional to 327,637.98, 491,457.17 and 90,980.69

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Solution

The fourth proportional to 327,637.98, 491,457.17 and 90,980.69 is: 136,471.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,637.98 : 491,457.17 = 90,980.69 : x
  2. Step 2: Convert to fraction form
    327,637.98/491,457.17 = 90,980.69/x
  3. Step 3: Cross multiply
    327,637.98x = 491,457.17 × 90,980.69
  4. Step 4: Simplify right side
    327,637.98x = 44,713,110,202.21
  5. Step 5: Solve for x
    x = 44,713,110,202.21/327,637.98
  6. Step 6: Final answer
    x = 136,471.08

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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.