Home / 211,336.52-291,643.02-115,847.24

Finding the Fourth Proportional to 211,336.52, 291,643.02 and 115,847.24

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Solution

The fourth proportional to 211,336.52, 291,643.02 and 115,847.24 is: 159,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,336.52 : 291,643.02 = 115,847.24 : x
  2. Step 2: Convert to fraction form
    211,336.52/291,643.02 = 115,847.24/x
  3. Step 3: Cross multiply
    211,336.52x = 291,643.02 × 115,847.24
  4. Step 4: Simplify right side
    211,336.52x = 33,786,038,932.26
  5. Step 5: Solve for x
    x = 33,786,038,932.26/211,336.52
  6. Step 6: Final answer
    x = 159,868.44

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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.