Home / 291,265.13-401,920.28-162,193.85

Finding the Fourth Proportional to 291,265.13, 401,920.28 and 162,193.85

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Solution

The fourth proportional to 291,265.13, 401,920.28 and 162,193.85 is: 223,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,265.13 : 401,920.28 = 162,193.85 : x
  2. Step 2: Convert to fraction form
    291,265.13/401,920.28 = 162,193.85/x
  3. Step 3: Cross multiply
    291,265.13x = 401,920.28 × 162,193.85
  4. Step 4: Simplify right side
    291,265.13x = 65,189,000,074.28
  5. Step 5: Solve for x
    x = 65,189,000,074.28/291,265.13
  6. Step 6: Final answer
    x = 223,813.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.