Home / 211,320.28-291,629.46-115,826.95

Finding the Fourth Proportional to 211,320.28, 291,629.46 and 115,826.95

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Solution

The fourth proportional to 211,320.28, 291,629.46 and 115,826.95 is: 159,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,320.28 : 291,629.46 = 115,826.95 : x
  2. Step 2: Convert to fraction form
    211,320.28/291,629.46 = 115,826.95/x
  3. Step 3: Cross multiply
    211,320.28x = 291,629.46 × 115,826.95
  4. Step 4: Simplify right side
    211,320.28x = 33,778,550,881.95
  5. Step 5: Solve for x
    x = 33,778,550,881.95/211,320.28
  6. Step 6: Final answer
    x = 159,845.29

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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.