Home / 401,255.45-553,772.12-229,199.13

Finding the Fourth Proportional to 401,255.45, 553,772.12 and 229,199.13

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Solution

The fourth proportional to 401,255.45, 553,772.12 and 229,199.13 is: 316,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,255.45 : 553,772.12 = 229,199.13 : x
  2. Step 2: Convert to fraction form
    401,255.45/553,772.12 = 229,199.13/x
  3. Step 3: Cross multiply
    401,255.45x = 553,772.12 × 229,199.13
  4. Step 4: Simplify right side
    401,255.45x = 126,924,088,122.26
  5. Step 5: Solve for x
    x = 126,924,088,122.26/401,255.45
  6. Step 6: Final answer
    x = 316,317.42

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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.