Home / 211,276.64-291,562.02-114,480.42

Finding the Fourth Proportional to 211,276.64, 291,562.02 and 114,480.42

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Solution

The fourth proportional to 211,276.64, 291,562.02 and 114,480.42 is: 157,983.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,276.64 : 291,562.02 = 114,480.42 : x
  2. Step 2: Convert to fraction form
    211,276.64/291,562.02 = 114,480.42/x
  3. Step 3: Cross multiply
    211,276.64x = 291,562.02 × 114,480.42
  4. Step 4: Simplify right side
    211,276.64x = 33,378,142,505.65
  5. Step 5: Solve for x
    x = 33,378,142,505.65/211,276.64
  6. Step 6: Final answer
    x = 157,983.12

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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.