Home / 328,456.06-492,684.09-117,979.18

Finding the Fourth Proportional to 328,456.06, 492,684.09 and 117,979.18

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Solution

The fourth proportional to 328,456.06, 492,684.09 and 117,979.18 is: 176,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,456.06 : 492,684.09 = 117,979.18 : x
  2. Step 2: Convert to fraction form
    328,456.06/492,684.09 = 117,979.18/x
  3. Step 3: Cross multiply
    328,456.06x = 492,684.09 × 117,979.18
  4. Step 4: Simplify right side
    328,456.06x = 58,126,464,937.25
  5. Step 5: Solve for x
    x = 58,126,464,937.25/328,456.06
  6. Step 6: Final answer
    x = 176,968.77

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Similar ratio
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1.5x scale

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.