Home / 861,176.52-1,291,811.22-262,156.68

Finding the Fourth Proportional to 861,176.52, 1,291,811.22 and 262,156.68

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Solution

The fourth proportional to 861,176.52, 1,291,811.22 and 262,156.68 is: 393,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,176.52 : 1,291,811.22 = 262,156.68 : x
  2. Step 2: Convert to fraction form
    861,176.52/1,291,811.22 = 262,156.68/x
  3. Step 3: Cross multiply
    861,176.52x = 1,291,811.22 × 262,156.68
  4. Step 4: Simplify right side
    861,176.52x = 338,656,940,621.95
  5. Step 5: Solve for x
    x = 338,656,940,621.95/861,176.52
  6. Step 6: Final answer
    x = 393,249.16

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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.