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Finding the Fourth Proportional to 300,829.68, 415,144.80 and 179,975.88

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Solution

The fourth proportional to 300,829.68, 415,144.80 and 179,975.88 is: 248,366.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,829.68 : 415,144.80 = 179,975.88 : x
  2. Step 2: Convert to fraction form
    300,829.68/415,144.80 = 179,975.88/x
  3. Step 3: Cross multiply
    300,829.68x = 415,144.80 × 179,975.88
  4. Step 4: Simplify right side
    300,829.68x = 74,716,050,707.42
  5. Step 5: Solve for x
    x = 74,716,050,707.42/300,829.68
  6. Step 6: Final answer
    x = 248,366.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.