Home / 260,475.92-390,636.12-110,715.56

Finding the Fourth Proportional to 260,475.92, 390,636.12 and 110,715.56

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Solution

The fourth proportional to 260,475.92, 390,636.12 and 110,715.56 is: 166,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,475.92 : 390,636.12 = 110,715.56 : x
  2. Step 2: Convert to fraction form
    260,475.92/390,636.12 = 110,715.56/x
  3. Step 3: Cross multiply
    260,475.92x = 390,636.12 × 110,715.56
  4. Step 4: Simplify right side
    260,475.92x = 43,249,496,782.03
  5. Step 5: Solve for x
    x = 43,249,496,782.03/260,475.92
  6. Step 6: Final answer
    x = 166,040.29

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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.