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Finding the Fourth Proportional to 230,818.93, 318,674.06 and 149,189.84

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Solution

The fourth proportional to 230,818.93, 318,674.06 and 149,189.84 is: 205,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,818.93 : 318,674.06 = 149,189.84 : x
  2. Step 2: Convert to fraction form
    230,818.93/318,674.06 = 149,189.84/x
  3. Step 3: Cross multiply
    230,818.93x = 318,674.06 × 149,189.84
  4. Step 4: Simplify right side
    230,818.93x = 47,542,932,023.55
  5. Step 5: Solve for x
    x = 47,542,932,023.55/230,818.93
  6. Step 6: Final answer
    x = 205,975.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.