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Finding the Fourth Proportional to 469,268.43, 703,902.63 and 216,474.13

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Solution

The fourth proportional to 469,268.43, 703,902.63 and 216,474.13 is: 324,711.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,268.43 : 703,902.63 = 216,474.13 : x
  2. Step 2: Convert to fraction form
    469,268.43/703,902.63 = 216,474.13/x
  3. Step 3: Cross multiply
    469,268.43x = 703,902.63 × 216,474.13
  4. Step 4: Simplify right side
    469,268.43x = 152,376,706,455.63
  5. Step 5: Solve for x
    x = 152,376,706,455.63/469,268.43
  6. Step 6: Final answer
    x = 324,711.18

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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.