Home / 211,288.48-316,818.24-92,821.12

Finding the Fourth Proportional to 211,288.48, 316,818.24 and 92,821.12

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Solution

The fourth proportional to 211,288.48, 316,818.24 and 92,821.12 is: 139,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,288.48 : 316,818.24 = 92,821.12 : x
  2. Step 2: Convert to fraction form
    211,288.48/316,818.24 = 92,821.12/x
  3. Step 3: Cross multiply
    211,288.48x = 316,818.24 × 92,821.12
  4. Step 4: Simplify right side
    211,288.48x = 29,407,423,873.23
  5. Step 5: Solve for x
    x = 29,407,423,873.23/211,288.48
  6. Step 6: Final answer
    x = 139,181.39

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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.