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Finding the Fourth Proportional to 603,496.61, 905,414.39 and 177,042.50

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Solution

The fourth proportional to 603,496.61, 905,414.39 and 177,042.50 is: 265,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,496.61 : 905,414.39 = 177,042.50 : x
  2. Step 2: Convert to fraction form
    603,496.61/905,414.39 = 177,042.50/x
  3. Step 3: Cross multiply
    603,496.61x = 905,414.39 × 177,042.50
  4. Step 4: Simplify right side
    603,496.61x = 160,296,826,256.36
  5. Step 5: Solve for x
    x = 160,296,826,256.36/603,496.61
  6. Step 6: Final answer
    x = 265,613.47

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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.