Home / 205,741.32-308,624.02-79,382.24

Finding the Fourth Proportional to 205,741.32, 308,624.02 and 79,382.24

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Solution

The fourth proportional to 205,741.32, 308,624.02 and 79,382.24 is: 119,078.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,741.32 : 308,624.02 = 79,382.24 : x
  2. Step 2: Convert to fraction form
    205,741.32/308,624.02 = 79,382.24/x
  3. Step 3: Cross multiply
    205,741.32x = 308,624.02 × 79,382.24
  4. Step 4: Simplify right side
    205,741.32x = 24,499,264,283.83
  5. Step 5: Solve for x
    x = 24,499,264,283.83/205,741.32
  6. Step 6: Final answer
    x = 119,078.00

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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.