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Finding the Fourth Proportional to 300,613.20, 414,852.93 and 171,549.10

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Solution

The fourth proportional to 300,613.20, 414,852.93 and 171,549.10 is: 236,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,613.20 : 414,852.93 = 171,549.10 : x
  2. Step 2: Convert to fraction form
    300,613.20/414,852.93 = 171,549.10/x
  3. Step 3: Cross multiply
    300,613.20x = 414,852.93 × 171,549.10
  4. Step 4: Simplify right side
    300,613.20x = 71,167,648,217.96
  5. Step 5: Solve for x
    x = 71,167,648,217.96/300,613.20
  6. Step 6: Final answer
    x = 236,741.59

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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.