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Finding the Fourth Proportional to 300,073.56, 450,043.36 and 89,684.16

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Solution

The fourth proportional to 300,073.56, 450,043.36 and 89,684.16 is: 134,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,073.56 : 450,043.36 = 89,684.16 : x
  2. Step 2: Convert to fraction form
    300,073.56/450,043.36 = 89,684.16/x
  3. Step 3: Cross multiply
    300,073.56x = 450,043.36 × 89,684.16
  4. Step 4: Simplify right side
    300,073.56x = 40,361,760,705.18
  5. Step 5: Solve for x
    x = 40,361,760,705.18/300,073.56
  6. Step 6: Final answer
    x = 134,506.22

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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.