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Finding the Fourth Proportional to 351,572.98, 484,851.82 and 230,668.33

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Solution

The fourth proportional to 351,572.98, 484,851.82 and 230,668.33 is: 318,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,572.98 : 484,851.82 = 230,668.33 : x
  2. Step 2: Convert to fraction form
    351,572.98/484,851.82 = 230,668.33/x
  3. Step 3: Cross multiply
    351,572.98x = 484,851.82 × 230,668.33
  4. Step 4: Simplify right side
    351,572.98x = 111,839,959,616.86
  5. Step 5: Solve for x
    x = 111,839,959,616.86/351,572.98
  6. Step 6: Final answer
    x = 318,113.07

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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.