Home / 263,267.20-394,900.80-94,977.55

Finding the Fourth Proportional to 263,267.20, 394,900.80 and 94,977.55

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Solution

The fourth proportional to 263,267.20, 394,900.80 and 94,977.55 is: 142,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,267.20 : 394,900.80 = 94,977.55 : x
  2. Step 2: Convert to fraction form
    263,267.20/394,900.80 = 94,977.55/x
  3. Step 3: Cross multiply
    263,267.20x = 394,900.80 × 94,977.55
  4. Step 4: Simplify right side
    263,267.20x = 37,506,710,477.04
  5. Step 5: Solve for x
    x = 37,506,710,477.04/263,267.20
  6. Step 6: Final answer
    x = 142,466.33

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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.