Home / 403,273.26-556,452-231,159.60

Finding the Fourth Proportional to 403,273.26, 556,452 and 231,159.60

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Solution

The fourth proportional to 403,273.26, 556,452 and 231,159.60 is: 318,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,273.26 : 556,452 = 231,159.60 : x
  2. Step 2: Convert to fraction form
    403,273.26/556,452 = 231,159.60/x
  3. Step 3: Cross multiply
    403,273.26x = 556,452 × 231,159.60
  4. Step 4: Simplify right side
    403,273.26x = 128,629,221,739.20
  5. Step 5: Solve for x
    x = 128,629,221,739.20/403,273.26
  6. Step 6: Final answer
    x = 318,962.93

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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.