Home / 262,132.30-393,490.05-162,405.10

Finding the Fourth Proportional to 262,132.30, 393,490.05 and 162,405.10

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Solution

The fourth proportional to 262,132.30, 393,490.05 and 162,405.10 is: 243,788.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,132.30 : 393,490.05 = 162,405.10 : x
  2. Step 2: Convert to fraction form
    262,132.30/393,490.05 = 162,405.10/x
  3. Step 3: Cross multiply
    262,132.30x = 393,490.05 × 162,405.10
  4. Step 4: Simplify right side
    262,132.30x = 63,904,790,919.26
  5. Step 5: Solve for x
    x = 63,904,790,919.26/262,132.30
  6. Step 6: Final answer
    x = 243,788.31

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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.