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Finding the Fourth Proportional to 300,031.02, 449,908.02 and 110,443.86

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Solution

The fourth proportional to 300,031.02, 449,908.02 and 110,443.86 is: 165,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,031.02 : 449,908.02 = 110,443.86 : x
  2. Step 2: Convert to fraction form
    300,031.02/449,908.02 = 110,443.86/x
  3. Step 3: Cross multiply
    300,031.02x = 449,908.02 × 110,443.86
  4. Step 4: Simplify right side
    300,031.02x = 49,689,578,373.76
  5. Step 5: Solve for x
    x = 49,689,578,373.76/300,031.02
  6. Step 6: Final answer
    x = 165,614.80

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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.