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Finding the Fourth Proportional to 300,838.08, 451,106.87 and 98,407.76

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Solution

The fourth proportional to 300,838.08, 451,106.87 and 98,407.76 is: 147,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,838.08 : 451,106.87 = 98,407.76 : x
  2. Step 2: Convert to fraction form
    300,838.08/451,106.87 = 98,407.76/x
  3. Step 3: Cross multiply
    300,838.08x = 451,106.87 × 98,407.76
  4. Step 4: Simplify right side
    300,838.08x = 44,392,416,940.76
  5. Step 5: Solve for x
    x = 44,392,416,940.76/300,838.08
  6. Step 6: Final answer
    x = 147,562.49

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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.