Home / 370,642.80-511,441.34-263,173.62

Finding the Fourth Proportional to 370,642.80, 511,441.34 and 263,173.62

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Solution

The fourth proportional to 370,642.80, 511,441.34 and 263,173.62 is: 363,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,642.80 : 511,441.34 = 263,173.62 : x
  2. Step 2: Convert to fraction form
    370,642.80/511,441.34 = 263,173.62/x
  3. Step 3: Cross multiply
    370,642.80x = 511,441.34 × 263,173.62
  4. Step 4: Simplify right side
    370,642.80x = 134,597,867,549.58
  5. Step 5: Solve for x
    x = 134,597,867,549.58/370,642.80
  6. Step 6: Final answer
    x = 363,147.13

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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.