Home / 401,187.03-553,694.86-248,274.47

Finding the Fourth Proportional to 401,187.03, 553,694.86 and 248,274.47

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Solution

The fourth proportional to 401,187.03, 553,694.86 and 248,274.47 is: 342,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,187.03 : 553,694.86 = 248,274.47 : x
  2. Step 2: Convert to fraction form
    401,187.03/553,694.86 = 248,274.47/x
  3. Step 3: Cross multiply
    401,187.03x = 553,694.86 × 248,274.47
  4. Step 4: Simplify right side
    401,187.03x = 137,468,297,186.54
  5. Step 5: Solve for x
    x = 137,468,297,186.54/401,187.03
  6. Step 6: Final answer
    x = 342,653.90

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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.