Home / 253,235.08-379,856.94-208,687.24

Finding the Fourth Proportional to 253,235.08, 379,856.94 and 208,687.24

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Solution

The fourth proportional to 253,235.08, 379,856.94 and 208,687.24 is: 313,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,235.08 : 379,856.94 = 208,687.24 : x
  2. Step 2: Convert to fraction form
    253,235.08/379,856.94 = 208,687.24/x
  3. Step 3: Cross multiply
    253,235.08x = 379,856.94 × 208,687.24
  4. Step 4: Simplify right side
    253,235.08x = 79,271,296,403.45
  5. Step 5: Solve for x
    x = 79,271,296,403.45/253,235.08
  6. Step 6: Final answer
    x = 313,034.42

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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.