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Finding the Fourth Proportional to 374,573.43, 517,051.89 and 245,520.21

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Solution

The fourth proportional to 374,573.43, 517,051.89 and 245,520.21 is: 338,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,573.43 : 517,051.89 = 245,520.21 : x
  2. Step 2: Convert to fraction form
    374,573.43/517,051.89 = 245,520.21/x
  3. Step 3: Cross multiply
    374,573.43x = 517,051.89 × 245,520.21
  4. Step 4: Simplify right side
    374,573.43x = 126,946,688,613.70
  5. Step 5: Solve for x
    x = 126,946,688,613.70/374,573.43
  6. Step 6: Final answer
    x = 338,910.02

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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.