Home / 263,313.20-394,775.40-113,430.80

Finding the Fourth Proportional to 263,313.20, 394,775.40 and 113,430.80

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Solution

The fourth proportional to 263,313.20, 394,775.40 and 113,430.80 is: 170,062.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,313.20 : 394,775.40 = 113,430.80 : x
  2. Step 2: Convert to fraction form
    263,313.20/394,775.40 = 113,430.80/x
  3. Step 3: Cross multiply
    263,313.20x = 394,775.40 × 113,430.80
  4. Step 4: Simplify right side
    263,313.20x = 44,779,689,442.32
  5. Step 5: Solve for x
    x = 44,779,689,442.32/263,313.20
  6. Step 6: Final answer
    x = 170,062.46

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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.