Home / 299,285.21-413,013.02-163,319.29

Finding the Fourth Proportional to 299,285.21, 413,013.02 and 163,319.29

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Solution

The fourth proportional to 299,285.21, 413,013.02 and 163,319.29 is: 225,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,285.21 : 413,013.02 = 163,319.29 : x
  2. Step 2: Convert to fraction form
    299,285.21/413,013.02 = 163,319.29/x
  3. Step 3: Cross multiply
    299,285.21x = 413,013.02 × 163,319.29
  4. Step 4: Simplify right side
    299,285.21x = 67,452,991,338.03
  5. Step 5: Solve for x
    x = 67,452,991,338.03/299,285.21
  6. Step 6: Final answer
    x = 225,380.30

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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.