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Finding the Fourth Proportional to 462,170.79, 692,959.37 and 192,485.93

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Solution

The fourth proportional to 462,170.79, 692,959.37 and 192,485.93 is: 288,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,170.79 : 692,959.37 = 192,485.93 : x
  2. Step 2: Convert to fraction form
    462,170.79/692,959.37 = 192,485.93/x
  3. Step 3: Cross multiply
    462,170.79x = 692,959.37 × 192,485.93
  4. Step 4: Simplify right side
    462,170.79x = 133,384,924,359.44
  5. Step 5: Solve for x
    x = 133,384,924,359.44/462,170.79
  6. Step 6: Final answer
    x = 288,605.27

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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.