Home / 938,154.14-1,407,231.20-228,182.66

Finding the Fourth Proportional to 938,154.14, 1,407,231.20 and 228,182.66

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Solution

The fourth proportional to 938,154.14, 1,407,231.20 and 228,182.66 is: 342,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,154.14 : 1,407,231.20 = 228,182.66 : x
  2. Step 2: Convert to fraction form
    938,154.14/1,407,231.20 = 228,182.66/x
  3. Step 3: Cross multiply
    938,154.14x = 1,407,231.20 × 228,182.66
  4. Step 4: Simplify right side
    938,154.14x = 321,105,751,985.29
  5. Step 5: Solve for x
    x = 321,105,751,985.29/938,154.14
  6. Step 6: Final answer
    x = 342,273.98

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Similar ratio
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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.