Home / 449,169.64-619,837.86-247,961.32

Finding the Fourth Proportional to 449,169.64, 619,837.86 and 247,961.32

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Solution

The fourth proportional to 449,169.64, 619,837.86 and 247,961.32 is: 342,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,169.64 : 619,837.86 = 247,961.32 : x
  2. Step 2: Convert to fraction form
    449,169.64/619,837.86 = 247,961.32/x
  3. Step 3: Cross multiply
    449,169.64x = 619,837.86 × 247,961.32
  4. Step 4: Simplify right side
    449,169.64x = 153,695,813,951.58
  5. Step 5: Solve for x
    x = 153,695,813,951.58/449,169.64
  6. Step 6: Final answer
    x = 342,177.65

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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.