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Finding the Fourth Proportional to 608,370.40, 912,251.04 and 187,591.60

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Solution

The fourth proportional to 608,370.40, 912,251.04 and 187,591.60 is: 281,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,370.40 : 912,251.04 = 187,591.60 : x
  2. Step 2: Convert to fraction form
    608,370.40/912,251.04 = 187,591.60/x
  3. Step 3: Cross multiply
    608,370.40x = 912,251.04 × 187,591.60
  4. Step 4: Simplify right side
    608,370.40x = 171,130,632,195.26
  5. Step 5: Solve for x
    x = 171,130,632,195.26/608,370.40
  6. Step 6: Final answer
    x = 281,293.49

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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.