Home / 205,079.28-307,617-64,837.92

Finding the Fourth Proportional to 205,079.28, 307,617 and 64,837.92

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Solution

The fourth proportional to 205,079.28, 307,617 and 64,837.92 is: 97,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,079.28 : 307,617 = 64,837.92 : x
  2. Step 2: Convert to fraction form
    205,079.28/307,617 = 64,837.92/x
  3. Step 3: Cross multiply
    205,079.28x = 307,617 × 64,837.92
  4. Step 4: Simplify right side
    205,079.28x = 19,945,246,436.64
  5. Step 5: Solve for x
    x = 19,945,246,436.64/205,079.28
  6. Step 6: Final answer
    x = 97,256.27

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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.