Home / 287,205.24-396,396.38-166,346.50

Finding the Fourth Proportional to 287,205.24, 396,396.38 and 166,346.50

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Solution

The fourth proportional to 287,205.24, 396,396.38 and 166,346.50 is: 229,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,205.24 : 396,396.38 = 166,346.50 : x
  2. Step 2: Convert to fraction form
    287,205.24/396,396.38 = 166,346.50/x
  3. Step 3: Cross multiply
    287,205.24x = 396,396.38 × 166,346.50
  4. Step 4: Simplify right side
    287,205.24x = 65,939,150,425.67
  5. Step 5: Solve for x
    x = 65,939,150,425.67/287,205.24
  6. Step 6: Final answer
    x = 229,588.95

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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.