Home / 438,629.12-605,307.52-237,425.92

Finding the Fourth Proportional to 438,629.12, 605,307.52 and 237,425.92

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Solution

The fourth proportional to 438,629.12, 605,307.52 and 237,425.92 is: 327,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,629.12 : 605,307.52 = 237,425.92 : x
  2. Step 2: Convert to fraction form
    438,629.12/605,307.52 = 237,425.92/x
  3. Step 3: Cross multiply
    438,629.12x = 605,307.52 × 237,425.92
  4. Step 4: Simplify right side
    438,629.12x = 143,715,694,818.92
  5. Step 5: Solve for x
    x = 143,715,694,818.92/438,629.12
  6. Step 6: Final answer
    x = 327,647.41

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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.