Home / 260,623.16-390,197.53-165,617.85

Finding the Fourth Proportional to 260,623.16, 390,197.53 and 165,617.85

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Solution

The fourth proportional to 260,623.16, 390,197.53 and 165,617.85 is: 247,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,623.16 : 390,197.53 = 165,617.85 : x
  2. Step 2: Convert to fraction form
    260,623.16/390,197.53 = 165,617.85/x
  3. Step 3: Cross multiply
    260,623.16x = 390,197.53 × 165,617.85
  4. Step 4: Simplify right side
    260,623.16x = 64,623,675,993.91
  5. Step 5: Solve for x
    x = 64,623,675,993.91/260,623.16
  6. Step 6: Final answer
    x = 247,958.30

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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.