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Finding the Fourth Proportional to 608,357.63, 912,470.72 and 203,503.95

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Solution

The fourth proportional to 608,357.63, 912,470.72 and 203,503.95 is: 305,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,357.63 : 912,470.72 = 203,503.95 : x
  2. Step 2: Convert to fraction form
    608,357.63/912,470.72 = 203,503.95/x
  3. Step 3: Cross multiply
    608,357.63x = 912,470.72 × 203,503.95
  4. Step 4: Simplify right side
    608,357.63x = 185,691,394,761.82
  5. Step 5: Solve for x
    x = 185,691,394,761.82/608,357.63
  6. Step 6: Final answer
    x = 305,233.94

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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.