Home / 372,143.14-513,703.44-263,813.62

Finding the Fourth Proportional to 372,143.14, 513,703.44 and 263,813.62

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Solution

The fourth proportional to 372,143.14, 513,703.44 and 263,813.62 is: 364,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,143.14 : 513,703.44 = 263,813.62 : x
  2. Step 2: Convert to fraction form
    372,143.14/513,703.44 = 263,813.62/x
  3. Step 3: Cross multiply
    372,143.14x = 513,703.44 × 263,813.62
  4. Step 4: Simplify right side
    372,143.14x = 135,521,964,112.85
  5. Step 5: Solve for x
    x = 135,521,964,112.85/372,143.14
  6. Step 6: Final answer
    x = 364,166.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.