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Finding the Fourth Proportional to 495,192.36, 743,064.53 and 267,483.39

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Solution

The fourth proportional to 495,192.36, 743,064.53 and 267,483.39 is: 401,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,192.36 : 743,064.53 = 267,483.39 : x
  2. Step 2: Convert to fraction form
    495,192.36/743,064.53 = 267,483.39/x
  3. Step 3: Cross multiply
    495,192.36x = 743,064.53 × 267,483.39
  4. Step 4: Simplify right side
    495,192.36x = 198,757,418,135.74
  5. Step 5: Solve for x
    x = 198,757,418,135.74/495,192.36
  6. Step 6: Final answer
    x = 401,374.16

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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.