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Finding the Fourth Proportional to 290,199.33, 400,360.64 and 167,610.69

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Solution

The fourth proportional to 290,199.33, 400,360.64 and 167,610.69 is: 231,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,199.33 : 400,360.64 = 167,610.69 : x
  2. Step 2: Convert to fraction form
    290,199.33/400,360.64 = 167,610.69/x
  3. Step 3: Cross multiply
    290,199.33x = 400,360.64 × 167,610.69
  4. Step 4: Simplify right side
    290,199.33x = 67,104,722,281.19
  5. Step 5: Solve for x
    x = 67,104,722,281.19/290,199.33
  6. Step 6: Final answer
    x = 231,236.65

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1.5x scale

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.