Home / 401,252.45-553,767.98-229,196.13

Finding the Fourth Proportional to 401,252.45, 553,767.98 and 229,196.13

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Solution

The fourth proportional to 401,252.45, 553,767.98 and 229,196.13 is: 316,313.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,252.45 : 553,767.98 = 229,196.13 : x
  2. Step 2: Convert to fraction form
    401,252.45/553,767.98 = 229,196.13/x
  3. Step 3: Cross multiply
    401,252.45x = 553,767.98 × 229,196.13
  4. Step 4: Simplify right side
    401,252.45x = 126,921,476,787.94
  5. Step 5: Solve for x
    x = 126,921,476,787.94/401,252.45
  6. Step 6: Final answer
    x = 316,313.28

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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.