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Finding the Fourth Proportional to 533,908.64, 800,873 and 249,521.16

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Solution

The fourth proportional to 533,908.64, 800,873 and 249,521.16 is: 374,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,908.64 : 800,873 = 249,521.16 : x
  2. Step 2: Convert to fraction form
    533,908.64/800,873 = 249,521.16/x
  3. Step 3: Cross multiply
    533,908.64x = 800,873 × 249,521.16
  4. Step 4: Simplify right side
    533,908.64x = 199,834,759,972.68
  5. Step 5: Solve for x
    x = 199,834,759,972.68/533,908.64
  6. Step 6: Final answer
    x = 374,286.43

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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.