Home / 315,176.50-434,943.57-171,937.12

Finding the Fourth Proportional to 315,176.50, 434,943.57 and 171,937.12

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Solution

The fourth proportional to 315,176.50, 434,943.57 and 171,937.12 is: 237,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,176.50 : 434,943.57 = 171,937.12 : x
  2. Step 2: Convert to fraction form
    315,176.50/434,943.57 = 171,937.12/x
  3. Step 3: Cross multiply
    315,176.50x = 434,943.57 × 171,937.12
  4. Step 4: Simplify right side
    315,176.50x = 74,782,944,788.32
  5. Step 5: Solve for x
    x = 74,782,944,788.32/315,176.50
  6. Step 6: Final answer
    x = 237,273.23

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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.