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Finding the Fourth Proportional to 330,141.51, 495,146.64 and 161,589.42

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Solution

The fourth proportional to 330,141.51, 495,146.64 and 161,589.42 is: 242,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,141.51 : 495,146.64 = 161,589.42 : x
  2. Step 2: Convert to fraction form
    330,141.51/495,146.64 = 161,589.42/x
  3. Step 3: Cross multiply
    330,141.51x = 495,146.64 × 161,589.42
  4. Step 4: Simplify right side
    330,141.51x = 80,010,458,372.55
  5. Step 5: Solve for x
    x = 80,010,458,372.55/330,141.51
  6. Step 6: Final answer
    x = 242,352.01

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1.5x scale

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.