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Finding the Fourth Proportional to 300,162.08, 450,263.64 and 100,474.40

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Solution

The fourth proportional to 300,162.08, 450,263.64 and 100,474.40 is: 150,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,162.08 : 450,263.64 = 100,474.40 : x
  2. Step 2: Convert to fraction form
    300,162.08/450,263.64 = 100,474.40/x
  3. Step 3: Cross multiply
    300,162.08x = 450,263.64 × 100,474.40
  4. Step 4: Simplify right side
    300,162.08x = 45,239,969,070.82
  5. Step 5: Solve for x
    x = 45,239,969,070.82/300,162.08
  6. Step 6: Final answer
    x = 150,718.47

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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.