Home / 380,191.86-570,095.79-222,467.70

Finding the Fourth Proportional to 380,191.86, 570,095.79 and 222,467.70

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Solution

The fourth proportional to 380,191.86, 570,095.79 and 222,467.70 is: 333,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,191.86 : 570,095.79 = 222,467.70 : x
  2. Step 2: Convert to fraction form
    380,191.86/570,095.79 = 222,467.70/x
  3. Step 3: Cross multiply
    380,191.86x = 570,095.79 × 222,467.70
  4. Step 4: Simplify right side
    380,191.86x = 126,827,899,180.98
  5. Step 5: Solve for x
    x = 126,827,899,180.98/380,191.86
  6. Step 6: Final answer
    x = 333,589.20

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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.