Home / 263,019.40-394,334.70-144,824.20

Finding the Fourth Proportional to 263,019.40, 394,334.70 and 144,824.20

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Solution

The fourth proportional to 263,019.40, 394,334.70 and 144,824.20 is: 217,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,019.40 : 394,334.70 = 144,824.20 : x
  2. Step 2: Convert to fraction form
    263,019.40/394,334.70 = 144,824.20/x
  3. Step 3: Cross multiply
    263,019.40x = 394,334.70 × 144,824.20
  4. Step 4: Simplify right side
    263,019.40x = 57,109,207,459.74
  5. Step 5: Solve for x
    x = 57,109,207,459.74/263,019.40
  6. Step 6: Final answer
    x = 217,129.26

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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.