Home / 389,832.64-584,982.20-168,216.64

Finding the Fourth Proportional to 389,832.64, 584,982.20 and 168,216.64

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Solution

The fourth proportional to 389,832.64, 584,982.20 and 168,216.64 is: 252,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,832.64 : 584,982.20 = 168,216.64 : x
  2. Step 2: Convert to fraction form
    389,832.64/584,982.20 = 168,216.64/x
  3. Step 3: Cross multiply
    389,832.64x = 584,982.20 × 168,216.64
  4. Step 4: Simplify right side
    389,832.64x = 98,403,740,143.81
  5. Step 5: Solve for x
    x = 98,403,740,143.81/389,832.64
  6. Step 6: Final answer
    x = 252,425.61

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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.