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Finding the Fourth Proportional to 300,227.68, 450,341.16 and 142,370.02

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Solution

The fourth proportional to 300,227.68, 450,341.16 and 142,370.02 is: 213,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,227.68 : 450,341.16 = 142,370.02 : x
  2. Step 2: Convert to fraction form
    300,227.68/450,341.16 = 142,370.02/x
  3. Step 3: Cross multiply
    300,227.68x = 450,341.16 × 142,370.02
  4. Step 4: Simplify right side
    300,227.68x = 64,115,079,956.02
  5. Step 5: Solve for x
    x = 64,115,079,956.02/300,227.68
  6. Step 6: Final answer
    x = 213,554.86

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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.