Home / 300,013.28-414,003.12-165,851.36

Finding the Fourth Proportional to 300,013.28, 414,003.12 and 165,851.36

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Solution

The fourth proportional to 300,013.28, 414,003.12 and 165,851.36 is: 228,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,013.28 : 414,003.12 = 165,851.36 : x
  2. Step 2: Convert to fraction form
    300,013.28/414,003.12 = 165,851.36/x
  3. Step 3: Cross multiply
    300,013.28x = 414,003.12 × 165,851.36
  4. Step 4: Simplify right side
    300,013.28x = 68,662,980,496.24
  5. Step 5: Solve for x
    x = 68,662,980,496.24/300,013.28
  6. Step 6: Final answer
    x = 228,866.47

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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.