Home / 206,911.08-310,360.38-57,160.32

Finding the Fourth Proportional to 206,911.08, 310,360.38 and 57,160.32

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Solution

The fourth proportional to 206,911.08, 310,360.38 and 57,160.32 is: 85,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,911.08 : 310,360.38 = 57,160.32 : x
  2. Step 2: Convert to fraction form
    206,911.08/310,360.38 = 57,160.32/x
  3. Step 3: Cross multiply
    206,911.08x = 310,360.38 × 57,160.32
  4. Step 4: Simplify right side
    206,911.08x = 17,740,298,636.12
  5. Step 5: Solve for x
    x = 17,740,298,636.12/206,911.08
  6. Step 6: Final answer
    x = 85,738.76

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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.