Home / 291,106.37-401,723.96-162,042.80

Finding the Fourth Proportional to 291,106.37, 401,723.96 and 162,042.80

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Solution

The fourth proportional to 291,106.37, 401,723.96 and 162,042.80 is: 223,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,106.37 : 401,723.96 = 162,042.80 : x
  2. Step 2: Convert to fraction form
    291,106.37/401,723.96 = 162,042.80/x
  3. Step 3: Cross multiply
    291,106.37x = 401,723.96 × 162,042.80
  4. Step 4: Simplify right side
    291,106.37x = 65,096,472,486.65
  5. Step 5: Solve for x
    x = 65,096,472,486.65/291,106.37
  6. Step 6: Final answer
    x = 223,617.48

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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.