Home / 320,863.32-442,796.62-175,666.68

Finding the Fourth Proportional to 320,863.32, 442,796.62 and 175,666.68

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Solution

The fourth proportional to 320,863.32, 442,796.62 and 175,666.68 is: 242,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,863.32 : 442,796.62 = 175,666.68 : x
  2. Step 2: Convert to fraction form
    320,863.32/442,796.62 = 175,666.68/x
  3. Step 3: Cross multiply
    320,863.32x = 442,796.62 × 175,666.68
  4. Step 4: Simplify right side
    320,863.32x = 77,784,612,150.62
  5. Step 5: Solve for x
    x = 77,784,612,150.62/320,863.32
  6. Step 6: Final answer
    x = 242,422.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.