Home / 260,151.12-390,217.77-110,294.91

Finding the Fourth Proportional to 260,151.12, 390,217.77 and 110,294.91

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Solution

The fourth proportional to 260,151.12, 390,217.77 and 110,294.91 is: 165,438.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,151.12 : 390,217.77 = 110,294.91 : x
  2. Step 2: Convert to fraction form
    260,151.12/390,217.77 = 110,294.91/x
  3. Step 3: Cross multiply
    260,151.12x = 390,217.77 × 110,294.91
  4. Step 4: Simplify right side
    260,151.12x = 43,039,033,822.55
  5. Step 5: Solve for x
    x = 43,039,033,822.55/260,151.12
  6. Step 6: Final answer
    x = 165,438.59

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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.