Home / 401,453.14-554,029.83-231,698.18

Finding the Fourth Proportional to 401,453.14, 554,029.83 and 231,698.18

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Solution

The fourth proportional to 401,453.14, 554,029.83 and 231,698.18 is: 319,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,453.14 : 554,029.83 = 231,698.18 : x
  2. Step 2: Convert to fraction form
    401,453.14/554,029.83 = 231,698.18/x
  3. Step 3: Cross multiply
    401,453.14x = 554,029.83 × 231,698.18
  4. Step 4: Simplify right side
    401,453.14x = 128,367,703,276.71
  5. Step 5: Solve for x
    x = 128,367,703,276.71/401,453.14
  6. Step 6: Final answer
    x = 319,757.63

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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.