Home / 383,332.45-528,986.38-220,015.84

Finding the Fourth Proportional to 383,332.45, 528,986.38 and 220,015.84

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Solution

The fourth proportional to 383,332.45, 528,986.38 and 220,015.84 is: 303,614.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,332.45 : 528,986.38 = 220,015.84 : x
  2. Step 2: Convert to fraction form
    383,332.45/528,986.38 = 220,015.84/x
  3. Step 3: Cross multiply
    383,332.45x = 528,986.38 × 220,015.84
  4. Step 4: Simplify right side
    383,332.45x = 116,385,382,744.26
  5. Step 5: Solve for x
    x = 116,385,382,744.26/383,332.45
  6. Step 6: Final answer
    x = 303,614.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.