Home / 330,918.08-496,189.20-225,864.32

Finding the Fourth Proportional to 330,918.08, 496,189.20 and 225,864.32

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Solution

The fourth proportional to 330,918.08, 496,189.20 and 225,864.32 is: 338,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,918.08 : 496,189.20 = 225,864.32 : x
  2. Step 2: Convert to fraction form
    330,918.08/496,189.20 = 225,864.32/x
  3. Step 3: Cross multiply
    330,918.08x = 496,189.20 × 225,864.32
  4. Step 4: Simplify right side
    330,918.08x = 112,071,436,249.34
  5. Step 5: Solve for x
    x = 112,071,436,249.34/330,918.08
  6. Step 6: Final answer
    x = 338,668.22

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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.