Home / 287,175.84-396,274.04-166,355.96

Finding the Fourth Proportional to 287,175.84, 396,274.04 and 166,355.96

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Solution

The fourth proportional to 287,175.84, 396,274.04 and 166,355.96 is: 229,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,175.84 : 396,274.04 = 166,355.96 : x
  2. Step 2: Convert to fraction form
    287,175.84/396,274.04 = 166,355.96/x
  3. Step 3: Cross multiply
    287,175.84x = 396,274.04 × 166,355.96
  4. Step 4: Simplify right side
    287,175.84x = 65,922,548,347.28
  5. Step 5: Solve for x
    x = 65,922,548,347.28/287,175.84
  6. Step 6: Final answer
    x = 229,554.65

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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.