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Finding the Fourth Proportional to 310,659.24, 465,990.08 and 94,520.11

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Solution

The fourth proportional to 310,659.24, 465,990.08 and 94,520.11 is: 141,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,659.24 : 465,990.08 = 94,520.11 : x
  2. Step 2: Convert to fraction form
    310,659.24/465,990.08 = 94,520.11/x
  3. Step 3: Cross multiply
    310,659.24x = 465,990.08 × 94,520.11
  4. Step 4: Simplify right side
    310,659.24x = 44,045,431,982.93
  5. Step 5: Solve for x
    x = 44,045,431,982.93/310,659.24
  6. Step 6: Final answer
    x = 141,780.53

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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.