Home / 347,676.57-520,566.35-263,181.15

Finding the Fourth Proportional to 347,676.57, 520,566.35 and 263,181.15

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Solution

The fourth proportional to 347,676.57, 520,566.35 and 263,181.15 is: 394,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,676.57 : 520,566.35 = 263,181.15 : x
  2. Step 2: Convert to fraction form
    347,676.57/520,566.35 = 263,181.15/x
  3. Step 3: Cross multiply
    347,676.57x = 520,566.35 × 263,181.15
  4. Step 4: Simplify right side
    347,676.57x = 137,003,249,328.40
  5. Step 5: Solve for x
    x = 137,003,249,328.40/347,676.57
  6. Step 6: Final answer
    x = 394,053.73

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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.