Home / 330,531.84-495,721.08-161,883.90

Finding the Fourth Proportional to 330,531.84, 495,721.08 and 161,883.90

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Solution

The fourth proportional to 330,531.84, 495,721.08 and 161,883.90 is: 242,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,531.84 : 495,721.08 = 161,883.90 : x
  2. Step 2: Convert to fraction form
    330,531.84/495,721.08 = 161,883.90/x
  3. Step 3: Cross multiply
    330,531.84x = 495,721.08 × 161,883.90
  4. Step 4: Simplify right side
    330,531.84x = 80,249,261,742.61
  5. Step 5: Solve for x
    x = 80,249,261,742.61/330,531.84
  6. Step 6: Final answer
    x = 242,788.29

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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.