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Finding the Fourth Proportional to 203,127.60, 304,504.80 and 69,976.20

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Solution

The fourth proportional to 203,127.60, 304,504.80 and 69,976.20 is: 104,900.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,127.60 : 304,504.80 = 69,976.20 : x
  2. Step 2: Convert to fraction form
    203,127.60/304,504.80 = 69,976.20/x
  3. Step 3: Cross multiply
    203,127.60x = 304,504.80 × 69,976.20
  4. Step 4: Simplify right side
    203,127.60x = 21,308,088,785.76
  5. Step 5: Solve for x
    x = 21,308,088,785.76/203,127.60
  6. Step 6: Final answer
    x = 104,900.02

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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.