Home / 361,826.64-542,304-133,940.16

Finding the Fourth Proportional to 361,826.64, 542,304 and 133,940.16

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Solution

The fourth proportional to 361,826.64, 542,304 and 133,940.16 is: 200,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,826.64 : 542,304 = 133,940.16 : x
  2. Step 2: Convert to fraction form
    361,826.64/542,304 = 133,940.16/x
  3. Step 3: Cross multiply
    361,826.64x = 542,304 × 133,940.16
  4. Step 4: Simplify right side
    361,826.64x = 72,636,284,528.64
  5. Step 5: Solve for x
    x = 72,636,284,528.64/361,826.64
  6. Step 6: Final answer
    x = 200,748.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.