Home / 263,021.40-394,337.70-144,826.20

Finding the Fourth Proportional to 263,021.40, 394,337.70 and 144,826.20

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Solution

The fourth proportional to 263,021.40, 394,337.70 and 144,826.20 is: 217,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,021.40 : 394,337.70 = 144,826.20 : x
  2. Step 2: Convert to fraction form
    263,021.40/394,337.70 = 144,826.20/x
  3. Step 3: Cross multiply
    263,021.40x = 394,337.70 × 144,826.20
  4. Step 4: Simplify right side
    263,021.40x = 57,110,430,607.74
  5. Step 5: Solve for x
    x = 57,110,430,607.74/263,021.40
  6. Step 6: Final answer
    x = 217,132.26

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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.