Home / 211,055.40-291,256.38-115,562.04

Finding the Fourth Proportional to 211,055.40, 291,256.38 and 115,562.04

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Solution

The fourth proportional to 211,055.40, 291,256.38 and 115,562.04 is: 159,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,055.40 : 291,256.38 = 115,562.04 : x
  2. Step 2: Convert to fraction form
    211,055.40/291,256.38 = 115,562.04/x
  3. Step 3: Cross multiply
    211,055.40x = 291,256.38 × 115,562.04
  4. Step 4: Simplify right side
    211,055.40x = 33,658,181,435.82
  5. Step 5: Solve for x
    x = 33,658,181,435.82/211,055.40
  6. Step 6: Final answer
    x = 159,475.58

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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.