Home / 263,271.90-394,907.85-156,983.70

Finding the Fourth Proportional to 263,271.90, 394,907.85 and 156,983.70

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Solution

The fourth proportional to 263,271.90, 394,907.85 and 156,983.70 is: 235,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,271.90 : 394,907.85 = 156,983.70 : x
  2. Step 2: Convert to fraction form
    263,271.90/394,907.85 = 156,983.70/x
  3. Step 3: Cross multiply
    263,271.90x = 394,907.85 × 156,983.70
  4. Step 4: Simplify right side
    263,271.90x = 61,994,095,452.05
  5. Step 5: Solve for x
    x = 61,994,095,452.05/263,271.90
  6. Step 6: Final answer
    x = 235,475.55

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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.