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Finding the Fourth Proportional to 239,482.89, 330,474.51 and 136,103.63

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Solution

The fourth proportional to 239,482.89, 330,474.51 and 136,103.63 is: 187,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,482.89 : 330,474.51 = 136,103.63 : x
  2. Step 2: Convert to fraction form
    239,482.89/330,474.51 = 136,103.63/x
  3. Step 3: Cross multiply
    239,482.89x = 330,474.51 × 136,103.63
  4. Step 4: Simplify right side
    239,482.89x = 44,978,778,781.10
  5. Step 5: Solve for x
    x = 44,978,778,781.10/239,482.89
  6. Step 6: Final answer
    x = 187,816.25

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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.