Home / 381,268.49-571,530.84-181,535.21

Finding the Fourth Proportional to 381,268.49, 571,530.84 and 181,535.21

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Solution

The fourth proportional to 381,268.49, 571,530.84 and 181,535.21 is: 272,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,268.49 : 571,530.84 = 181,535.21 : x
  2. Step 2: Convert to fraction form
    381,268.49/571,530.84 = 181,535.21/x
  3. Step 3: Cross multiply
    381,268.49x = 571,530.84 × 181,535.21
  4. Step 4: Simplify right side
    381,268.49x = 103,752,971,060.88
  5. Step 5: Solve for x
    x = 103,752,971,060.88/381,268.49
  6. Step 6: Final answer
    x = 272,125.74

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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.