Home / 315,087.58-434,815.56-171,839.08

Finding the Fourth Proportional to 315,087.58, 434,815.56 and 171,839.08

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Solution

The fourth proportional to 315,087.58, 434,815.56 and 171,839.08 is: 237,135.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,087.58 : 434,815.56 = 171,839.08 : x
  2. Step 2: Convert to fraction form
    315,087.58/434,815.56 = 171,839.08/x
  3. Step 3: Cross multiply
    315,087.58x = 434,815.56 × 171,839.08
  4. Step 4: Simplify right side
    315,087.58x = 74,718,305,800.08
  5. Step 5: Solve for x
    x = 74,718,305,800.08/315,087.58
  6. Step 6: Final answer
    x = 237,135.04

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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.