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Finding the Fourth Proportional to 608,405.54, 912,538.58 and 159,169.76

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Solution

The fourth proportional to 608,405.54, 912,538.58 and 159,169.76 is: 238,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,405.54 : 912,538.58 = 159,169.76 : x
  2. Step 2: Convert to fraction form
    608,405.54/912,538.58 = 159,169.76/x
  3. Step 3: Cross multiply
    608,405.54x = 912,538.58 × 159,169.76
  4. Step 4: Simplify right side
    608,405.54x = 145,248,541,410.80
  5. Step 5: Solve for x
    x = 145,248,541,410.80/608,405.54
  6. Step 6: Final answer
    x = 238,736.39

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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.