Home / 398,931.50-550,522.85-226,849.48

Finding the Fourth Proportional to 398,931.50, 550,522.85 and 226,849.48

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Solution

The fourth proportional to 398,931.50, 550,522.85 and 226,849.48 is: 313,050.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,931.50 : 550,522.85 = 226,849.48 : x
  2. Step 2: Convert to fraction form
    398,931.50/550,522.85 = 226,849.48/x
  3. Step 3: Cross multiply
    398,931.50x = 550,522.85 × 226,849.48
  4. Step 4: Simplify right side
    398,931.50x = 124,885,821,441.44
  5. Step 5: Solve for x
    x = 124,885,821,441.44/398,931.50
  6. Step 6: Final answer
    x = 313,050.79

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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.