Home / 403,730.12-605,666.46-166,940.20

Finding the Fourth Proportional to 403,730.12, 605,666.46 and 166,940.20

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Solution

The fourth proportional to 403,730.12, 605,666.46 and 166,940.20 is: 250,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,730.12 : 605,666.46 = 166,940.20 : x
  2. Step 2: Convert to fraction form
    403,730.12/605,666.46 = 166,940.20/x
  3. Step 3: Cross multiply
    403,730.12x = 605,666.46 × 166,940.20
  4. Step 4: Simplify right side
    403,730.12x = 101,110,079,965.69
  5. Step 5: Solve for x
    x = 101,110,079,965.69/403,730.12
  6. Step 6: Final answer
    x = 250,439.77

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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.