Home / 369,965.20-554,947.80-228,247.60

Finding the Fourth Proportional to 369,965.20, 554,947.80 and 228,247.60

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Solution

The fourth proportional to 369,965.20, 554,947.80 and 228,247.60 is: 342,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,965.20 : 554,947.80 = 228,247.60 : x
  2. Step 2: Convert to fraction form
    369,965.20/554,947.80 = 228,247.60/x
  3. Step 3: Cross multiply
    369,965.20x = 554,947.80 × 228,247.60
  4. Step 4: Simplify right side
    369,965.20x = 126,665,503,475.28
  5. Step 5: Solve for x
    x = 126,665,503,475.28/369,965.20
  6. Step 6: Final answer
    x = 342,371.40

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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.