Home / 308,055.26-425,088.52-172,077.32

Finding the Fourth Proportional to 308,055.26, 425,088.52 and 172,077.32

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Solution

The fourth proportional to 308,055.26, 425,088.52 and 172,077.32 is: 237,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,055.26 : 425,088.52 = 172,077.32 : x
  2. Step 2: Convert to fraction form
    308,055.26/425,088.52 = 172,077.32/x
  3. Step 3: Cross multiply
    308,055.26x = 425,088.52 × 172,077.32
  4. Step 4: Simplify right side
    308,055.26x = 73,148,093,284.37
  5. Step 5: Solve for x
    x = 73,148,093,284.37/308,055.26
  6. Step 6: Final answer
    x = 237,451.21

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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.