Home / 260,888.45-391,328.42-103,118.27

Finding the Fourth Proportional to 260,888.45, 391,328.42 and 103,118.27

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Solution

The fourth proportional to 260,888.45, 391,328.42 and 103,118.27 is: 154,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,888.45 : 391,328.42 = 103,118.27 : x
  2. Step 2: Convert to fraction form
    260,888.45/391,328.42 = 103,118.27/x
  3. Step 3: Cross multiply
    260,888.45x = 391,328.42 × 103,118.27
  4. Step 4: Simplify right side
    260,888.45x = 40,353,107,200.00
  5. Step 5: Solve for x
    x = 40,353,107,200.00/260,888.45
  6. Step 6: Final answer
    x = 154,675.72

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1.5x scale

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.