Home / 299,999.28-413,983.80-165,837.36

Finding the Fourth Proportional to 299,999.28, 413,983.80 and 165,837.36

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Solution

The fourth proportional to 299,999.28, 413,983.80 and 165,837.36 is: 228,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,999.28 : 413,983.80 = 165,837.36 : x
  2. Step 2: Convert to fraction form
    299,999.28/413,983.80 = 165,837.36/x
  3. Step 3: Cross multiply
    299,999.28x = 413,983.80 × 165,837.36
  4. Step 4: Simplify right side
    299,999.28x = 68,653,980,474.77
  5. Step 5: Solve for x
    x = 68,653,980,474.77/299,999.28
  6. Step 6: Final answer
    x = 228,847.15

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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.