Home / 401,297.94-553,837.32-229,243.14

Finding the Fourth Proportional to 401,297.94, 553,837.32 and 229,243.14

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Solution

The fourth proportional to 401,297.94, 553,837.32 and 229,243.14 is: 316,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,297.94 : 553,837.32 = 229,243.14 : x
  2. Step 2: Convert to fraction form
    401,297.94/553,837.32 = 229,243.14/x
  3. Step 3: Cross multiply
    401,297.94x = 553,837.32 × 229,243.14
  4. Step 4: Simplify right side
    401,297.94x = 126,963,406,285.99
  5. Step 5: Solve for x
    x = 126,963,406,285.99/401,297.94
  6. Step 6: Final answer
    x = 316,381.90

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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.