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Finding the Fourth Proportional to 571,473.08, 857,209.56 and 192,362

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Solution

The fourth proportional to 571,473.08, 857,209.56 and 192,362 is: 288,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,473.08 : 857,209.56 = 192,362 : x
  2. Step 2: Convert to fraction form
    571,473.08/857,209.56 = 192,362/x
  3. Step 3: Cross multiply
    571,473.08x = 857,209.56 × 192,362
  4. Step 4: Simplify right side
    571,473.08x = 164,894,545,380.72
  5. Step 5: Solve for x
    x = 164,894,545,380.72/571,473.08
  6. Step 6: Final answer
    x = 288,542.98

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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.