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Finding the Fourth Proportional to 239,349.08, 330,300.09 and 131,919.18

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Solution

The fourth proportional to 239,349.08, 330,300.09 and 131,919.18 is: 182,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,349.08 : 330,300.09 = 131,919.18 : x
  2. Step 2: Convert to fraction form
    239,349.08/330,300.09 = 131,919.18/x
  3. Step 3: Cross multiply
    239,349.08x = 330,300.09 × 131,919.18
  4. Step 4: Simplify right side
    239,349.08x = 43,572,917,026.73
  5. Step 5: Solve for x
    x = 43,572,917,026.73/239,349.08
  6. Step 6: Final answer
    x = 182,047.57

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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.