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Finding the Fourth Proportional to 207,305.40, 310,727.70 and 88,956.60

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Solution

The fourth proportional to 207,305.40, 310,727.70 and 88,956.60 is: 133,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,305.40 : 310,727.70 = 88,956.60 : x
  2. Step 2: Convert to fraction form
    207,305.40/310,727.70 = 88,956.60/x
  3. Step 3: Cross multiply
    207,305.40x = 310,727.70 × 88,956.60
  4. Step 4: Simplify right side
    207,305.40x = 27,641,279,717.82
  5. Step 5: Solve for x
    x = 27,641,279,717.82/207,305.40
  6. Step 6: Final answer
    x = 133,336.03

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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.