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Finding the Fourth Proportional to 304,656.84, 420,426.72 and 170,520.84

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Solution

The fourth proportional to 304,656.84, 420,426.72 and 170,520.84 is: 235,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,656.84 : 420,426.72 = 170,520.84 : x
  2. Step 2: Convert to fraction form
    304,656.84/420,426.72 = 170,520.84/x
  3. Step 3: Cross multiply
    304,656.84x = 420,426.72 × 170,520.84
  4. Step 4: Simplify right side
    304,656.84x = 71,691,517,452.84
  5. Step 5: Solve for x
    x = 71,691,517,452.84/304,656.84
  6. Step 6: Final answer
    x = 235,318.92

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1.5x scale

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.