Home / 260,230.19-390,345.42-73,241.69

Finding the Fourth Proportional to 260,230.19, 390,345.42 and 73,241.69

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Solution

The fourth proportional to 260,230.19, 390,345.42 and 73,241.69 is: 109,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,230.19 : 390,345.42 = 73,241.69 : x
  2. Step 2: Convert to fraction form
    260,230.19/390,345.42 = 73,241.69/x
  3. Step 3: Cross multiply
    260,230.19x = 390,345.42 × 73,241.69
  4. Step 4: Simplify right side
    260,230.19x = 28,589,558,244.56
  5. Step 5: Solve for x
    x = 28,589,558,244.56/260,230.19
  6. Step 6: Final answer
    x = 109,862.57

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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.