Home / 330,911.24-496,178.54-225,857.48

Finding the Fourth Proportional to 330,911.24, 496,178.54 and 225,857.48

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Solution

The fourth proportional to 330,911.24, 496,178.54 and 225,857.48 is: 338,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,911.24 : 496,178.54 = 225,857.48 : x
  2. Step 2: Convert to fraction form
    330,911.24/496,178.54 = 225,857.48/x
  3. Step 3: Cross multiply
    330,911.24x = 496,178.54 × 225,857.48
  4. Step 4: Simplify right side
    330,911.24x = 112,065,634,674.48
  5. Step 5: Solve for x
    x = 112,065,634,674.48/330,911.24
  6. Step 6: Final answer
    x = 338,657.69

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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.