Home / 238,333.30-328,902.66-130,905.84

Finding the Fourth Proportional to 238,333.30, 328,902.66 and 130,905.84

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Solution

The fourth proportional to 238,333.30, 328,902.66 and 130,905.84 is: 180,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,333.30 : 328,902.66 = 130,905.84 : x
  2. Step 2: Convert to fraction form
    238,333.30/328,902.66 = 130,905.84/x
  3. Step 3: Cross multiply
    238,333.30x = 328,902.66 × 130,905.84
  4. Step 4: Simplify right side
    238,333.30x = 43,055,278,985.53
  5. Step 5: Solve for x
    x = 43,055,278,985.53/238,333.30
  6. Step 6: Final answer
    x = 180,651.55

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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.