Home / 401,549.90-554,167.04-229,493.31

Finding the Fourth Proportional to 401,549.90, 554,167.04 and 229,493.31

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Solution

The fourth proportional to 401,549.90, 554,167.04 and 229,493.31 is: 316,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,549.90 : 554,167.04 = 229,493.31 : x
  2. Step 2: Convert to fraction form
    401,549.90/554,167.04 = 229,493.31/x
  3. Step 3: Cross multiply
    401,549.90x = 554,167.04 × 229,493.31
  4. Step 4: Simplify right side
    401,549.90x = 127,177,628,302.50
  5. Step 5: Solve for x
    x = 127,177,628,302.50/401,549.90
  6. Step 6: Final answer
    x = 316,716.87

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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.