Home / 521,760.20-782,567.40-166,810.10

Finding the Fourth Proportional to 521,760.20, 782,567.40 and 166,810.10

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Solution

The fourth proportional to 521,760.20, 782,567.40 and 166,810.10 is: 250,191.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,760.20 : 782,567.40 = 166,810.10 : x
  2. Step 2: Convert to fraction form
    521,760.20/782,567.40 = 166,810.10/x
  3. Step 3: Cross multiply
    521,760.20x = 782,567.40 × 166,810.10
  4. Step 4: Simplify right side
    521,760.20x = 130,540,146,250.74
  5. Step 5: Solve for x
    x = 130,540,146,250.74/521,760.20
  6. Step 6: Final answer
    x = 250,191.84

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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.