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Finding the Fourth Proportional to 310,560.64, 465,939.40 and 110,876.60

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Solution

The fourth proportional to 310,560.64, 465,939.40 and 110,876.60 is: 166,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,560.64 : 465,939.40 = 110,876.60 : x
  2. Step 2: Convert to fraction form
    310,560.64/465,939.40 = 110,876.60/x
  3. Step 3: Cross multiply
    310,560.64x = 465,939.40 × 110,876.60
  4. Step 4: Simplify right side
    310,560.64x = 51,661,776,478.04
  5. Step 5: Solve for x
    x = 51,661,776,478.04/310,560.64
  6. Step 6: Final answer
    x = 166,350.05

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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.