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Finding the Fourth Proportional to 359,053.44, 495,487.82 and 197,923.48

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Solution

The fourth proportional to 359,053.44, 495,487.82 and 197,923.48 is: 273,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,053.44 : 495,487.82 = 197,923.48 : x
  2. Step 2: Convert to fraction form
    359,053.44/495,487.82 = 197,923.48/x
  3. Step 3: Cross multiply
    359,053.44x = 495,487.82 × 197,923.48
  4. Step 4: Simplify right side
    359,053.44x = 98,068,672,888.10
  5. Step 5: Solve for x
    x = 98,068,672,888.10/359,053.44
  6. Step 6: Final answer
    x = 273,131.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.