Home / 263,735.40-395,613.90-76,746.92

Finding the Fourth Proportional to 263,735.40, 395,613.90 and 76,746.92

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Solution

The fourth proportional to 263,735.40, 395,613.90 and 76,746.92 is: 115,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,735.40 : 395,613.90 = 76,746.92 : x
  2. Step 2: Convert to fraction form
    263,735.40/395,613.90 = 76,746.92/x
  3. Step 3: Cross multiply
    263,735.40x = 395,613.90 × 76,746.92
  4. Step 4: Simplify right side
    263,735.40x = 30,362,148,334.19
  5. Step 5: Solve for x
    x = 30,362,148,334.19/263,735.40
  6. Step 6: Final answer
    x = 115,123.52

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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.