Home / 401,864.06-554,572.18-227,431.10

Finding the Fourth Proportional to 401,864.06, 554,572.18 and 227,431.10

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Solution

The fourth proportional to 401,864.06, 554,572.18 and 227,431.10 is: 313,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,864.06 : 554,572.18 = 227,431.10 : x
  2. Step 2: Convert to fraction form
    401,864.06/554,572.18 = 227,431.10/x
  3. Step 3: Cross multiply
    401,864.06x = 554,572.18 × 227,431.10
  4. Step 4: Simplify right side
    401,864.06x = 126,126,958,153.94
  5. Step 5: Solve for x
    x = 126,126,958,153.94/401,864.06
  6. Step 6: Final answer
    x = 313,854.79

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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.