Home / 299,876.37-413,829.04-163,911.21

Finding the Fourth Proportional to 299,876.37, 413,829.04 and 163,911.21

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Solution

The fourth proportional to 299,876.37, 413,829.04 and 163,911.21 is: 226,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,876.37 : 413,829.04 = 163,911.21 : x
  2. Step 2: Convert to fraction form
    299,876.37/413,829.04 = 163,911.21/x
  3. Step 3: Cross multiply
    299,876.37x = 413,829.04 × 163,911.21
  4. Step 4: Simplify right side
    299,876.37x = 67,831,218,679.54
  5. Step 5: Solve for x
    x = 67,831,218,679.54/299,876.37
  6. Step 6: Final answer
    x = 226,197.28

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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.