Home / 260,501.10-390,766.86-100,577.94

Finding the Fourth Proportional to 260,501.10, 390,766.86 and 100,577.94

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Solution

The fourth proportional to 260,501.10, 390,766.86 and 100,577.94 is: 150,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,501.10 : 390,766.86 = 100,577.94 : x
  2. Step 2: Convert to fraction form
    260,501.10/390,766.86 = 100,577.94/x
  3. Step 3: Cross multiply
    260,501.10x = 390,766.86 × 100,577.94
  4. Step 4: Simplify right side
    260,501.10x = 39,302,525,799.07
  5. Step 5: Solve for x
    x = 39,302,525,799.07/260,501.10
  6. Step 6: Final answer
    x = 150,872.78

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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.