Home / 325,121.85-487,504.58-181,071.45

Finding the Fourth Proportional to 325,121.85, 487,504.58 and 181,071.45

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Solution

The fourth proportional to 325,121.85, 487,504.58 and 181,071.45 is: 271,507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,121.85 : 487,504.58 = 181,071.45 : x
  2. Step 2: Convert to fraction form
    325,121.85/487,504.58 = 181,071.45/x
  3. Step 3: Cross multiply
    325,121.85x = 487,504.58 × 181,071.45
  4. Step 4: Simplify right side
    325,121.85x = 88,273,160,276.88
  5. Step 5: Solve for x
    x = 88,273,160,276.88/325,121.85
  6. Step 6: Final answer
    x = 271,507.93

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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.