Home / 205,387.30-308,110.36-63,244.61

Finding the Fourth Proportional to 205,387.30, 308,110.36 and 63,244.61

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Solution

The fourth proportional to 205,387.30, 308,110.36 and 63,244.61 is: 94,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,387.30 : 308,110.36 = 63,244.61 : x
  2. Step 2: Convert to fraction form
    205,387.30/308,110.36 = 63,244.61/x
  3. Step 3: Cross multiply
    205,387.30x = 308,110.36 × 63,244.61
  4. Step 4: Simplify right side
    205,387.30x = 19,486,319,555.16
  5. Step 5: Solve for x
    x = 19,486,319,555.16/205,387.30
  6. Step 6: Final answer
    x = 94,875.97

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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.