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Finding the Fourth Proportional to 495,136.80, 742,996.80 and 179,625.60

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Solution

The fourth proportional to 495,136.80, 742,996.80 and 179,625.60 is: 269,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,136.80 : 742,996.80 = 179,625.60 : x
  2. Step 2: Convert to fraction form
    495,136.80/742,996.80 = 179,625.60/x
  3. Step 3: Cross multiply
    495,136.80x = 742,996.80 × 179,625.60
  4. Step 4: Simplify right side
    495,136.80x = 133,461,245,998.08
  5. Step 5: Solve for x
    x = 133,461,245,998.08/495,136.80
  6. Step 6: Final answer
    x = 269,544.19

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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.