Home / 268,146.73-370,048.87-147,290.55

Finding the Fourth Proportional to 268,146.73, 370,048.87 and 147,290.55

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Solution

The fourth proportional to 268,146.73, 370,048.87 and 147,290.55 is: 203,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,146.73 : 370,048.87 = 147,290.55 : x
  2. Step 2: Convert to fraction form
    268,146.73/370,048.87 = 147,290.55/x
  3. Step 3: Cross multiply
    268,146.73x = 370,048.87 × 147,290.55
  4. Step 4: Simplify right side
    268,146.73x = 54,504,700,436.11
  5. Step 5: Solve for x
    x = 54,504,700,436.11/268,146.73
  6. Step 6: Final answer
    x = 203,264.46

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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.