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Finding the Fourth Proportional to 300,294.13, 450,127.50 and 100,450.18

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Solution

The fourth proportional to 300,294.13, 450,127.50 and 100,450.18 is: 150,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,294.13 : 450,127.50 = 100,450.18 : x
  2. Step 2: Convert to fraction form
    300,294.13/450,127.50 = 100,450.18/x
  3. Step 3: Cross multiply
    300,294.13x = 450,127.50 × 100,450.18
  4. Step 4: Simplify right side
    300,294.13x = 45,215,388,397.95
  5. Step 5: Solve for x
    x = 45,215,388,397.95/300,294.13
  6. Step 6: Final answer
    x = 150,570.34

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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.