Home / 300,002.28-413,987.94-165,840.36

Finding the Fourth Proportional to 300,002.28, 413,987.94 and 165,840.36

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Solution

The fourth proportional to 300,002.28, 413,987.94 and 165,840.36 is: 228,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,002.28 : 413,987.94 = 165,840.36 : x
  2. Step 2: Convert to fraction form
    300,002.28/413,987.94 = 165,840.36/x
  3. Step 3: Cross multiply
    300,002.28x = 413,987.94 × 165,840.36
  4. Step 4: Simplify right side
    300,002.28x = 68,655,909,005.26
  5. Step 5: Solve for x
    x = 68,655,909,005.26/300,002.28
  6. Step 6: Final answer
    x = 228,851.29

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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.