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Finding the Fourth Proportional to 239,484.27, 330,510.48 and 137,523.09

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Solution

The fourth proportional to 239,484.27, 330,510.48 and 137,523.09 is: 189,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,484.27 : 330,510.48 = 137,523.09 : x
  2. Step 2: Convert to fraction form
    239,484.27/330,510.48 = 137,523.09/x
  3. Step 3: Cross multiply
    239,484.27x = 330,510.48 × 137,523.09
  4. Step 4: Simplify right side
    239,484.27x = 45,452,822,486.98
  5. Step 5: Solve for x
    x = 45,452,822,486.98/239,484.27
  6. Step 6: Final answer
    x = 189,794.61

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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.