Home / 317,252.90-438,388.40-231,062.02

Finding the Fourth Proportional to 317,252.90, 438,388.40 and 231,062.02

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Solution

The fourth proportional to 317,252.90, 438,388.40 and 231,062.02 is: 319,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,252.90 : 438,388.40 = 231,062.02 : x
  2. Step 2: Convert to fraction form
    317,252.90/438,388.40 = 231,062.02/x
  3. Step 3: Cross multiply
    317,252.90x = 438,388.40 × 231,062.02
  4. Step 4: Simplify right side
    317,252.90x = 101,294,908,730.25
  5. Step 5: Solve for x
    x = 101,294,908,730.25/317,252.90
  6. Step 6: Final answer
    x = 319,287.57

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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.