Home / 325,190.20-487,785.30-185,222.20

Finding the Fourth Proportional to 325,190.20, 487,785.30 and 185,222.20

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Solution

The fourth proportional to 325,190.20, 487,785.30 and 185,222.20 is: 277,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,190.20 : 487,785.30 = 185,222.20 : x
  2. Step 2: Convert to fraction form
    325,190.20/487,785.30 = 185,222.20/x
  3. Step 3: Cross multiply
    325,190.20x = 487,785.30 × 185,222.20
  4. Step 4: Simplify right side
    325,190.20x = 90,348,666,393.66
  5. Step 5: Solve for x
    x = 90,348,666,393.66/325,190.20
  6. Step 6: Final answer
    x = 277,833.30

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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.