Home / 401,538.87-554,169.94-240,393.83

Finding the Fourth Proportional to 401,538.87, 554,169.94 and 240,393.83

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Solution

The fourth proportional to 401,538.87, 554,169.94 and 240,393.83 is: 331,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,538.87 : 554,169.94 = 240,393.83 : x
  2. Step 2: Convert to fraction form
    401,538.87/554,169.94 = 240,393.83/x
  3. Step 3: Cross multiply
    401,538.87x = 554,169.94 × 240,393.83
  4. Step 4: Simplify right side
    401,538.87x = 133,219,030,975.64
  5. Step 5: Solve for x
    x = 133,219,030,975.64/401,538.87
  6. Step 6: Final answer
    x = 331,771.20

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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.