Home / 299,629.58-413,486.07-163,663.48

Finding the Fourth Proportional to 299,629.58, 413,486.07 and 163,663.48

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Solution

The fourth proportional to 299,629.58, 413,486.07 and 163,663.48 is: 225,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,629.58 : 413,486.07 = 163,663.48 : x
  2. Step 2: Convert to fraction form
    299,629.58/413,486.07 = 163,663.48/x
  3. Step 3: Cross multiply
    299,629.58x = 413,486.07 × 163,663.48
  4. Step 4: Simplify right side
    299,629.58x = 67,672,569,147.72
  5. Step 5: Solve for x
    x = 67,672,569,147.72/299,629.58
  6. Step 6: Final answer
    x = 225,854.10

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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.