Home / 211,467.65-291,798.37-120,829.49

Finding the Fourth Proportional to 211,467.65, 291,798.37 and 120,829.49

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Solution

The fourth proportional to 211,467.65, 291,798.37 and 120,829.49 is: 166,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,467.65 : 291,798.37 = 120,829.49 : x
  2. Step 2: Convert to fraction form
    211,467.65/291,798.37 = 120,829.49/x
  3. Step 3: Cross multiply
    211,467.65x = 291,798.37 × 120,829.49
  4. Step 4: Simplify right side
    211,467.65x = 35,257,846,833.61
  5. Step 5: Solve for x
    x = 35,257,846,833.61/211,467.65
  6. Step 6: Final answer
    x = 166,729.27

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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.