Home / 938,197.76-1,407,297.05-228,221.42

Finding the Fourth Proportional to 938,197.76, 1,407,297.05 and 228,221.42

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Solution

The fourth proportional to 938,197.76, 1,407,297.05 and 228,221.42 is: 342,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,197.76 : 1,407,297.05 = 228,221.42 : x
  2. Step 2: Convert to fraction form
    938,197.76/1,407,297.05 = 228,221.42/x
  3. Step 3: Cross multiply
    938,197.76x = 1,407,297.05 × 228,221.42
  4. Step 4: Simplify right side
    938,197.76x = 321,175,329,971.70
  5. Step 5: Solve for x
    x = 321,175,329,971.70/938,197.76
  6. Step 6: Final answer
    x = 342,332.23

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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.