Home / 389,260.24-537,179.20-219,494.36

Finding the Fourth Proportional to 389,260.24, 537,179.20 and 219,494.36

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Solution

The fourth proportional to 389,260.24, 537,179.20 and 219,494.36 is: 302,902.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,260.24 : 537,179.20 = 219,494.36 : x
  2. Step 2: Convert to fraction form
    389,260.24/537,179.20 = 219,494.36/x
  3. Step 3: Cross multiply
    389,260.24x = 537,179.20 × 219,494.36
  4. Step 4: Simplify right side
    389,260.24x = 117,907,804,709.31
  5. Step 5: Solve for x
    x = 117,907,804,709.31/389,260.24
  6. Step 6: Final answer
    x = 302,902.26

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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.