Home / 260,927.55-391,267.95-101,078.36

Finding the Fourth Proportional to 260,927.55, 391,267.95 and 101,078.36

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Solution

The fourth proportional to 260,927.55, 391,267.95 and 101,078.36 is: 151,569.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,927.55 : 391,267.95 = 101,078.36 : x
  2. Step 2: Convert to fraction form
    260,927.55/391,267.95 = 101,078.36/x
  3. Step 3: Cross multiply
    260,927.55x = 391,267.95 × 101,078.36
  4. Step 4: Simplify right side
    260,927.55x = 39,548,720,750.22
  5. Step 5: Solve for x
    x = 39,548,720,750.22/260,927.55
  6. Step 6: Final answer
    x = 151,569.74

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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.