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Finding the Fourth Proportional to 537,830.90, 806,659.95 and 163,766.90

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Solution

The fourth proportional to 537,830.90, 806,659.95 and 163,766.90 is: 245,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,830.90 : 806,659.95 = 163,766.90 : x
  2. Step 2: Convert to fraction form
    537,830.90/806,659.95 = 163,766.90/x
  3. Step 3: Cross multiply
    537,830.90x = 806,659.95 × 163,766.90
  4. Step 4: Simplify right side
    537,830.90x = 132,104,199,365.66
  5. Step 5: Solve for x
    x = 132,104,199,365.66/537,830.90
  6. Step 6: Final answer
    x = 245,624.04

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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.