Home / 260,935.63-391,280.09-101,086.45

Finding the Fourth Proportional to 260,935.63, 391,280.09 and 101,086.45

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Solution

The fourth proportional to 260,935.63, 391,280.09 and 101,086.45 is: 151,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,935.63 : 391,280.09 = 101,086.45 : x
  2. Step 2: Convert to fraction form
    260,935.63/391,280.09 = 101,086.45/x
  3. Step 3: Cross multiply
    260,935.63x = 391,280.09 × 101,086.45
  4. Step 4: Simplify right side
    260,935.63x = 39,553,113,770.15
  5. Step 5: Solve for x
    x = 39,553,113,770.15/260,935.63
  6. Step 6: Final answer
    x = 151,581.88

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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.