Home / 268,528.42-402,766.47-81,541.54

Finding the Fourth Proportional to 268,528.42, 402,766.47 and 81,541.54

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Solution

The fourth proportional to 268,528.42, 402,766.47 and 81,541.54 is: 122,304.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,528.42 : 402,766.47 = 81,541.54 : x
  2. Step 2: Convert to fraction form
    268,528.42/402,766.47 = 81,541.54/x
  3. Step 3: Cross multiply
    268,528.42x = 402,766.47 × 81,541.54
  4. Step 4: Simplify right side
    268,528.42x = 32,842,198,224.16
  5. Step 5: Solve for x
    x = 32,842,198,224.16/268,528.42
  6. Step 6: Final answer
    x = 122,304.37

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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.