Home / 403,299.81-556,566.26-219,550.64

Finding the Fourth Proportional to 403,299.81, 556,566.26 and 219,550.64

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Solution

The fourth proportional to 403,299.81, 556,566.26 and 219,550.64 is: 302,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,299.81 : 556,566.26 = 219,550.64 : x
  2. Step 2: Convert to fraction form
    403,299.81/556,566.26 = 219,550.64/x
  3. Step 3: Cross multiply
    403,299.81x = 556,566.26 × 219,550.64
  4. Step 4: Simplify right side
    403,299.81x = 122,194,474,704.82
  5. Step 5: Solve for x
    x = 122,194,474,704.82/403,299.81
  6. Step 6: Final answer
    x = 302,986.69

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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.