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Finding the Fourth Proportional to 239,325.84, 330,254.82 and 131,889.87

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Solution

The fourth proportional to 239,325.84, 330,254.82 and 131,889.87 is: 181,999.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,325.84 : 330,254.82 = 131,889.87 : x
  2. Step 2: Convert to fraction form
    239,325.84/330,254.82 = 131,889.87/x
  3. Step 3: Cross multiply
    239,325.84x = 330,254.82 × 131,889.87
  4. Step 4: Simplify right side
    239,325.84x = 43,557,265,276.67
  5. Step 5: Solve for x
    x = 43,557,265,276.67/239,325.84
  6. Step 6: Final answer
    x = 181,999.84

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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.