Home / 938,070.86-1,407,086.84-228,102.62

Finding the Fourth Proportional to 938,070.86, 1,407,086.84 and 228,102.62

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Solution

The fourth proportional to 938,070.86, 1,407,086.84 and 228,102.62 is: 342,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,070.86 : 1,407,086.84 = 228,102.62 : x
  2. Step 2: Convert to fraction form
    938,070.86/1,407,086.84 = 228,102.62/x
  3. Step 3: Cross multiply
    938,070.86x = 1,407,086.84 × 228,102.62
  4. Step 4: Simplify right side
    938,070.86x = 320,960,188,306.34
  5. Step 5: Solve for x
    x = 320,960,188,306.34/938,070.86
  6. Step 6: Final answer
    x = 342,149.20

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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.