Home / 327,538.20-491,252.34-90,904.92

Finding the Fourth Proportional to 327,538.20, 491,252.34 and 90,904.92

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Solution

The fourth proportional to 327,538.20, 491,252.34 and 90,904.92 is: 136,342.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,538.20 : 491,252.34 = 90,904.92 : x
  2. Step 2: Convert to fraction form
    327,538.20/491,252.34 = 90,904.92/x
  3. Step 3: Cross multiply
    327,538.20x = 491,252.34 × 90,904.92
  4. Step 4: Simplify right side
    327,538.20x = 44,657,254,667.51
  5. Step 5: Solve for x
    x = 44,657,254,667.51/327,538.20
  6. Step 6: Final answer
    x = 136,342.13

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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.