Home / 211,814.64-292,305.02-115,018.65

Finding the Fourth Proportional to 211,814.64, 292,305.02 and 115,018.65

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Solution

The fourth proportional to 211,814.64, 292,305.02 and 115,018.65 is: 158,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,814.64 : 292,305.02 = 115,018.65 : x
  2. Step 2: Convert to fraction form
    211,814.64/292,305.02 = 115,018.65/x
  3. Step 3: Cross multiply
    211,814.64x = 292,305.02 × 115,018.65
  4. Step 4: Simplify right side
    211,814.64x = 33,620,528,788.62
  5. Step 5: Solve for x
    x = 33,620,528,788.62/211,814.64
  6. Step 6: Final answer
    x = 158,726.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.