Home / 287,242.22-396,291.66-166,317.50

Finding the Fourth Proportional to 287,242.22, 396,291.66 and 166,317.50

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Solution

The fourth proportional to 287,242.22, 396,291.66 and 166,317.50 is: 229,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,242.22 : 396,291.66 = 166,317.50 : x
  2. Step 2: Convert to fraction form
    287,242.22/396,291.66 = 166,317.50/x
  3. Step 3: Cross multiply
    287,242.22x = 396,291.66 × 166,317.50
  4. Step 4: Simplify right side
    287,242.22x = 65,910,238,162.05
  5. Step 5: Solve for x
    x = 65,910,238,162.05/287,242.22
  6. Step 6: Final answer
    x = 229,458.74

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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.