Home / 211,037.10-291,238.54-115,544.48

Finding the Fourth Proportional to 211,037.10, 291,238.54 and 115,544.48

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Solution

The fourth proportional to 211,037.10, 291,238.54 and 115,544.48 is: 159,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,037.10 : 291,238.54 = 115,544.48 : x
  2. Step 2: Convert to fraction form
    211,037.10/291,238.54 = 115,544.48/x
  3. Step 3: Cross multiply
    211,037.10x = 291,238.54 × 115,544.48
  4. Step 4: Simplify right side
    211,037.10x = 33,651,003,915.21
  5. Step 5: Solve for x
    x = 33,651,003,915.21/211,037.10
  6. Step 6: Final answer
    x = 159,455.40

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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.