Home / 287,208.24-396,400.52-166,349.50

Finding the Fourth Proportional to 287,208.24, 396,400.52 and 166,349.50

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Solution

The fourth proportional to 287,208.24, 396,400.52 and 166,349.50 is: 229,593.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,208.24 : 396,400.52 = 166,349.50 : x
  2. Step 2: Convert to fraction form
    287,208.24/396,400.52 = 166,349.50/x
  3. Step 3: Cross multiply
    287,208.24x = 396,400.52 × 166,349.50
  4. Step 4: Simplify right side
    287,208.24x = 65,941,028,301.74
  5. Step 5: Solve for x
    x = 65,941,028,301.74/287,208.24
  6. Step 6: Final answer
    x = 229,593.09

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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.