Home / 389,334.12-537,179.34-228,102.60

Finding the Fourth Proportional to 389,334.12, 537,179.34 and 228,102.60

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Solution

The fourth proportional to 389,334.12, 537,179.34 and 228,102.60 is: 314,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,334.12 : 537,179.34 = 228,102.60 : x
  2. Step 2: Convert to fraction form
    389,334.12/537,179.34 = 228,102.60/x
  3. Step 3: Cross multiply
    389,334.12x = 537,179.34 × 228,102.60
  4. Step 4: Simplify right side
    389,334.12x = 122,532,004,120.28
  5. Step 5: Solve for x
    x = 122,532,004,120.28/389,334.12
  6. Step 6: Final answer
    x = 314,721.98

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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.