Home / 354,232.40-531,348.60-228,261.20

Finding the Fourth Proportional to 354,232.40, 531,348.60 and 228,261.20

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Solution

The fourth proportional to 354,232.40, 531,348.60 and 228,261.20 is: 342,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,232.40 : 531,348.60 = 228,261.20 : x
  2. Step 2: Convert to fraction form
    354,232.40/531,348.60 = 228,261.20/x
  3. Step 3: Cross multiply
    354,232.40x = 531,348.60 × 228,261.20
  4. Step 4: Simplify right side
    354,232.40x = 121,286,269,054.32
  5. Step 5: Solve for x
    x = 121,286,269,054.32/354,232.40
  6. Step 6: Final answer
    x = 342,391.80

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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.