Home / 307,307.26-423,933.24-205,357.83

Finding the Fourth Proportional to 307,307.26, 423,933.24 and 205,357.83

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Solution

The fourth proportional to 307,307.26, 423,933.24 and 205,357.83 is: 283,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,307.26 : 423,933.24 = 205,357.83 : x
  2. Step 2: Convert to fraction form
    307,307.26/423,933.24 = 205,357.83/x
  3. Step 3: Cross multiply
    307,307.26x = 423,933.24 × 205,357.83
  4. Step 4: Simplify right side
    307,307.26x = 87,058,010,231.27
  5. Step 5: Solve for x
    x = 87,058,010,231.27/307,307.26
  6. Step 6: Final answer
    x = 283,293.05

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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.