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Finding the Fourth Proportional to 268,032.80, 403,975.80 and 231,039.36

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Solution

The fourth proportional to 268,032.80, 403,975.80 and 231,039.36 is: 348,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,032.80 : 403,975.80 = 231,039.36 : x
  2. Step 2: Convert to fraction form
    268,032.80/403,975.80 = 231,039.36/x
  3. Step 3: Cross multiply
    268,032.80x = 403,975.80 × 231,039.36
  4. Step 4: Simplify right side
    268,032.80x = 93,334,310,287.49
  5. Step 5: Solve for x
    x = 93,334,310,287.49/268,032.80
  6. Step 6: Final answer
    x = 348,219.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.