Home / 211,320.46-291,629.46-115,827.13

Finding the Fourth Proportional to 211,320.46, 291,629.46 and 115,827.13

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Solution

The fourth proportional to 211,320.46, 291,629.46 and 115,827.13 is: 159,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,320.46 : 291,629.46 = 115,827.13 : x
  2. Step 2: Convert to fraction form
    211,320.46/291,629.46 = 115,827.13/x
  3. Step 3: Cross multiply
    211,320.46x = 291,629.46 × 115,827.13
  4. Step 4: Simplify right side
    211,320.46x = 33,778,603,375.25
  5. Step 5: Solve for x
    x = 33,778,603,375.25/211,320.46
  6. Step 6: Final answer
    x = 159,845.40

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1.5x scale

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.