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Finding the Fourth Proportional to 207,487.20, 310,793.40 and 185,325.60

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Solution

The fourth proportional to 207,487.20, 310,793.40 and 185,325.60 is: 277,597.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,487.20 : 310,793.40 = 185,325.60 : x
  2. Step 2: Convert to fraction form
    207,487.20/310,793.40 = 185,325.60/x
  3. Step 3: Cross multiply
    207,487.20x = 310,793.40 × 185,325.60
  4. Step 4: Simplify right side
    207,487.20x = 57,597,973,331.04
  5. Step 5: Solve for x
    x = 57,597,973,331.04/207,487.20
  6. Step 6: Final answer
    x = 277,597.72

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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.