Home / 253,237.08-379,859.94-208,689.24

Finding the Fourth Proportional to 253,237.08, 379,859.94 and 208,689.24

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Solution

The fourth proportional to 253,237.08, 379,859.94 and 208,689.24 is: 313,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,237.08 : 379,859.94 = 208,689.24 : x
  2. Step 2: Convert to fraction form
    253,237.08/379,859.94 = 208,689.24/x
  3. Step 3: Cross multiply
    253,237.08x = 379,859.94 × 208,689.24
  4. Step 4: Simplify right side
    253,237.08x = 79,272,682,185.05
  5. Step 5: Solve for x
    x = 79,272,682,185.05/253,237.08
  6. Step 6: Final answer
    x = 313,037.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.