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Finding the Fourth Proportional to 300,701.31, 450,995.53 and 150,901.39

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Solution

The fourth proportional to 300,701.31, 450,995.53 and 150,901.39 is: 226,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,701.31 : 450,995.53 = 150,901.39 : x
  2. Step 2: Convert to fraction form
    300,701.31/450,995.53 = 150,901.39/x
  3. Step 3: Cross multiply
    300,701.31x = 450,995.53 × 150,901.39
  4. Step 4: Simplify right side
    300,701.31x = 68,055,851,606.28
  5. Step 5: Solve for x
    x = 68,055,851,606.28/300,701.31
  6. Step 6: Final answer
    x = 226,323.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.