Home / 262,136.10-393,499.80-173,562.60

Finding the Fourth Proportional to 262,136.10, 393,499.80 and 173,562.60

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Solution

The fourth proportional to 262,136.10, 393,499.80 and 173,562.60 is: 260,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,136.10 : 393,499.80 = 173,562.60 : x
  2. Step 2: Convert to fraction form
    262,136.10/393,499.80 = 173,562.60/x
  3. Step 3: Cross multiply
    262,136.10x = 393,499.80 × 173,562.60
  4. Step 4: Simplify right side
    262,136.10x = 68,296,848,387.48
  5. Step 5: Solve for x
    x = 68,296,848,387.48/262,136.10
  6. Step 6: Final answer
    x = 260,539.65

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1.5x scale

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.