Home / 330,907.07-496,415.28-131,228.51

Finding the Fourth Proportional to 330,907.07, 496,415.28 and 131,228.51

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Solution

The fourth proportional to 330,907.07, 496,415.28 and 131,228.51 is: 196,864.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,907.07 : 496,415.28 = 131,228.51 : x
  2. Step 2: Convert to fraction form
    330,907.07/496,415.28 = 131,228.51/x
  3. Step 3: Cross multiply
    330,907.07x = 496,415.28 × 131,228.51
  4. Step 4: Simplify right side
    330,907.07x = 65,143,835,545.66
  5. Step 5: Solve for x
    x = 65,143,835,545.66/330,907.07
  6. Step 6: Final answer
    x = 196,864.44

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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.