Home / 315,929.43-435,922.14-179,960.40

Finding the Fourth Proportional to 315,929.43, 435,922.14 and 179,960.40

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Solution

The fourth proportional to 315,929.43, 435,922.14 and 179,960.40 is: 248,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,929.43 : 435,922.14 = 179,960.40 : x
  2. Step 2: Convert to fraction form
    315,929.43/435,922.14 = 179,960.40/x
  3. Step 3: Cross multiply
    315,929.43x = 435,922.14 × 179,960.40
  4. Step 4: Simplify right side
    315,929.43x = 78,448,722,683.26
  5. Step 5: Solve for x
    x = 78,448,722,683.26/315,929.43
  6. Step 6: Final answer
    x = 248,310.91

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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.