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Finding the Fourth Proportional to 203,306.40, 304,959.60 and 55,562.40

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Solution

The fourth proportional to 203,306.40, 304,959.60 and 55,562.40 is: 83,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,306.40 : 304,959.60 = 55,562.40 : x
  2. Step 2: Convert to fraction form
    203,306.40/304,959.60 = 55,562.40/x
  3. Step 3: Cross multiply
    203,306.40x = 304,959.60 × 55,562.40
  4. Step 4: Simplify right side
    203,306.40x = 16,944,287,279.04
  5. Step 5: Solve for x
    x = 16,944,287,279.04/203,306.40
  6. Step 6: Final answer
    x = 83,343.60

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1.5x scale

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.