Home / 211,505.20-316,634.48-185,261.20

Finding the Fourth Proportional to 211,505.20, 316,634.48 and 185,261.20

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Solution

The fourth proportional to 211,505.20, 316,634.48 and 185,261.20 is: 277,345.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,505.20 : 316,634.48 = 185,261.20 : x
  2. Step 2: Convert to fraction form
    211,505.20/316,634.48 = 185,261.20/x
  3. Step 3: Cross multiply
    211,505.20x = 316,634.48 × 185,261.20
  4. Step 4: Simplify right side
    211,505.20x = 58,660,083,726.18
  5. Step 5: Solve for x
    x = 58,660,083,726.18/211,505.20
  6. Step 6: Final answer
    x = 277,345.82

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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.