Home / 228,856.32-343,317.24-86,663.28

Finding the Fourth Proportional to 228,856.32, 343,317.24 and 86,663.28

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Solution

The fourth proportional to 228,856.32, 343,317.24 and 86,663.28 is: 130,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,856.32 : 343,317.24 = 86,663.28 : x
  2. Step 2: Convert to fraction form
    228,856.32/343,317.24 = 86,663.28/x
  3. Step 3: Cross multiply
    228,856.32x = 343,317.24 × 86,663.28
  4. Step 4: Simplify right side
    228,856.32x = 29,752,998,098.95
  5. Step 5: Solve for x
    x = 29,752,998,098.95/228,856.32
  6. Step 6: Final answer
    x = 130,007.33

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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.