Home / 439,085.72-605,930.42-248,095.02

Finding the Fourth Proportional to 439,085.72, 605,930.42 and 248,095.02

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Solution

The fourth proportional to 439,085.72, 605,930.42 and 248,095.02 is: 342,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,085.72 : 605,930.42 = 248,095.02 : x
  2. Step 2: Convert to fraction form
    439,085.72/605,930.42 = 248,095.02/x
  3. Step 3: Cross multiply
    439,085.72x = 605,930.42 × 248,095.02
  4. Step 4: Simplify right side
    439,085.72x = 150,328,319,668.51
  5. Step 5: Solve for x
    x = 150,328,319,668.51/439,085.72
  6. Step 6: Final answer
    x = 342,366.68

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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.