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Finding the Fourth Proportional to 239,374.10, 330,338.52 and 131,948.01

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Solution

The fourth proportional to 239,374.10, 330,338.52 and 131,948.01 is: 182,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,374.10 : 330,338.52 = 131,948.01 : x
  2. Step 2: Convert to fraction form
    239,374.10/330,338.52 = 131,948.01/x
  3. Step 3: Cross multiply
    239,374.10x = 330,338.52 × 131,948.01
  4. Step 4: Simplify right side
    239,374.10x = 43,587,510,340.35
  5. Step 5: Solve for x
    x = 43,587,510,340.35/239,374.10
  6. Step 6: Final answer
    x = 182,089.50

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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.