Home / 291,269.13-401,925.80-162,197.85

Finding the Fourth Proportional to 291,269.13, 401,925.80 and 162,197.85

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Solution

The fourth proportional to 291,269.13, 401,925.80 and 162,197.85 is: 223,818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,269.13 : 401,925.80 = 162,197.85 : x
  2. Step 2: Convert to fraction form
    291,269.13/401,925.80 = 162,197.85/x
  3. Step 3: Cross multiply
    291,269.13x = 401,925.80 × 162,197.85
  4. Step 4: Simplify right side
    291,269.13x = 65,191,500,619.53
  5. Step 5: Solve for x
    x = 65,191,500,619.53/291,269.13
  6. Step 6: Final answer
    x = 223,818.78

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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.