Home / 253,234.08-379,855.44-208,686.24

Finding the Fourth Proportional to 253,234.08, 379,855.44 and 208,686.24

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Solution

The fourth proportional to 253,234.08, 379,855.44 and 208,686.24 is: 313,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,234.08 : 379,855.44 = 208,686.24 : x
  2. Step 2: Convert to fraction form
    253,234.08/379,855.44 = 208,686.24/x
  3. Step 3: Cross multiply
    253,234.08x = 379,855.44 × 208,686.24
  4. Step 4: Simplify right side
    253,234.08x = 79,270,603,517.15
  5. Step 5: Solve for x
    x = 79,270,603,517.15/253,234.08
  6. Step 6: Final answer
    x = 313,032.92

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1.5x scale

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.