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Finding the Fourth Proportional to 430,149.44, 645,222.00 and 110,299.88

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Solution

The fourth proportional to 430,149.44, 645,222.00 and 110,299.88 is: 165,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,149.44 : 645,222.00 = 110,299.88 : x
  2. Step 2: Convert to fraction form
    430,149.44/645,222.00 = 110,299.88/x
  3. Step 3: Cross multiply
    430,149.44x = 645,222.00 × 110,299.88
  4. Step 4: Simplify right side
    430,149.44x = 71,167,911,200.04
  5. Step 5: Solve for x
    x = 71,167,911,200.04/430,149.44
  6. Step 6: Final answer
    x = 165,449.27

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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.