Home / 608,990.10-913,419.53-159,756

Finding the Fourth Proportional to 608,990.10, 913,419.53 and 159,756

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Solution

The fourth proportional to 608,990.10, 913,419.53 and 159,756 is: 239,616.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,990.10 : 913,419.53 = 159,756 : x
  2. Step 2: Convert to fraction form
    608,990.10/913,419.53 = 159,756/x
  3. Step 3: Cross multiply
    608,990.10x = 913,419.53 × 159,756
  4. Step 4: Simplify right side
    608,990.10x = 145,924,249,635.90
  5. Step 5: Solve for x
    x = 145,924,249,635.90/608,990.10
  6. Step 6: Final answer
    x = 239,616.78

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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.