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Finding the Fourth Proportional to 377,894.96, 521,531.91 and 282,235.58

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Solution

The fourth proportional to 377,894.96, 521,531.91 and 282,235.58 is: 389,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,894.96 : 521,531.91 = 282,235.58 : x
  2. Step 2: Convert to fraction form
    377,894.96/521,531.91 = 282,235.58/x
  3. Step 3: Cross multiply
    377,894.96x = 521,531.91 × 282,235.58
  4. Step 4: Simplify right side
    377,894.96x = 147,194,861,107.36
  5. Step 5: Solve for x
    x = 147,194,861,107.36/377,894.96
  6. Step 6: Final answer
    x = 389,512.63

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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.