Home / 315,112.62-434,892.18-179,166.94

Finding the Fourth Proportional to 315,112.62, 434,892.18 and 179,166.94

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Solution

The fourth proportional to 315,112.62, 434,892.18 and 179,166.94 is: 247,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,112.62 : 434,892.18 = 179,166.94 : x
  2. Step 2: Convert to fraction form
    315,112.62/434,892.18 = 179,166.94/x
  3. Step 3: Cross multiply
    315,112.62x = 434,892.18 × 179,166.94
  4. Step 4: Simplify right side
    315,112.62x = 77,918,300,201.27
  5. Step 5: Solve for x
    x = 77,918,300,201.27/315,112.62
  6. Step 6: Final answer
    x = 247,271.28

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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.