Home / 354,939.40-532,091.76-130,247.70

Finding the Fourth Proportional to 354,939.40, 532,091.76 and 130,247.70

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Solution

The fourth proportional to 354,939.40, 532,091.76 and 130,247.70 is: 195,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,939.40 : 532,091.76 = 130,247.70 : x
  2. Step 2: Convert to fraction form
    354,939.40/532,091.76 = 130,247.70/x
  3. Step 3: Cross multiply
    354,939.40x = 532,091.76 × 130,247.70
  4. Step 4: Simplify right side
    354,939.40x = 69,303,727,928.95
  5. Step 5: Solve for x
    x = 69,303,727,928.95/354,939.40
  6. Step 6: Final answer
    x = 195,255.10

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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.