Home / 259,567.95-389,351.94-109,769.40

Finding the Fourth Proportional to 259,567.95, 389,351.94 and 109,769.40

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Solution

The fourth proportional to 259,567.95, 389,351.94 and 109,769.40 is: 164,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,567.95 : 389,351.94 = 109,769.40 : x
  2. Step 2: Convert to fraction form
    259,567.95/389,351.94 = 109,769.40/x
  3. Step 3: Cross multiply
    259,567.95x = 389,351.94 × 109,769.40
  4. Step 4: Simplify right side
    259,567.95x = 42,738,928,842.64
  5. Step 5: Solve for x
    x = 42,738,928,842.64/259,567.95
  6. Step 6: Final answer
    x = 164,654.11

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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.