Home / 308,054.26-425,087.14-172,076.32

Finding the Fourth Proportional to 308,054.26, 425,087.14 and 172,076.32

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Solution

The fourth proportional to 308,054.26, 425,087.14 and 172,076.32 is: 237,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,054.26 : 425,087.14 = 172,076.32 : x
  2. Step 2: Convert to fraction form
    308,054.26/425,087.14 = 172,076.32/x
  3. Step 3: Cross multiply
    308,054.26x = 425,087.14 × 172,076.32
  4. Step 4: Simplify right side
    308,054.26x = 73,147,430,730.52
  5. Step 5: Solve for x
    x = 73,147,430,730.52/308,054.26
  6. Step 6: Final answer
    x = 237,449.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.