Home / 260,336.85-390,565.35-110,581.98

Finding the Fourth Proportional to 260,336.85, 390,565.35 and 110,581.98

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Solution

The fourth proportional to 260,336.85, 390,565.35 and 110,581.98 is: 165,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,336.85 : 390,565.35 = 110,581.98 : x
  2. Step 2: Convert to fraction form
    260,336.85/390,565.35 = 110,581.98/x
  3. Step 3: Cross multiply
    260,336.85x = 390,565.35 × 110,581.98
  4. Step 4: Simplify right side
    260,336.85x = 43,189,489,722.39
  5. Step 5: Solve for x
    x = 43,189,489,722.39/260,336.85
  6. Step 6: Final answer
    x = 165,898.49

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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.