Home / 299,512.20-413,336.51-163,553.25

Finding the Fourth Proportional to 299,512.20, 413,336.51 and 163,553.25

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Solution

The fourth proportional to 299,512.20, 413,336.51 and 163,553.25 is: 225,708.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,512.20 : 413,336.51 = 163,553.25 : x
  2. Step 2: Convert to fraction form
    299,512.20/413,336.51 = 163,553.25/x
  3. Step 3: Cross multiply
    299,512.20x = 413,336.51 × 163,553.25
  4. Step 4: Simplify right side
    299,512.20x = 67,602,529,554.16
  5. Step 5: Solve for x
    x = 67,602,529,554.16/299,512.20
  6. Step 6: Final answer
    x = 225,708.77

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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.