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Finding the Fourth Proportional to 308,279.35, 461,256.27 and 181,988.30

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Solution

The fourth proportional to 308,279.35, 461,256.27 and 181,988.30 is: 272,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,279.35 : 461,256.27 = 181,988.30 : x
  2. Step 2: Convert to fraction form
    308,279.35/461,256.27 = 181,988.30/x
  3. Step 3: Cross multiply
    308,279.35x = 461,256.27 × 181,988.30
  4. Step 4: Simplify right side
    308,279.35x = 83,943,243,531.70
  5. Step 5: Solve for x
    x = 83,943,243,531.70/308,279.35
  6. Step 6: Final answer
    x = 272,296.03

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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.