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Finding the Fourth Proportional to 438,924.82, 605,714.38 and 245,332.26

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Solution

The fourth proportional to 438,924.82, 605,714.38 and 245,332.26 is: 338,557.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,924.82 : 605,714.38 = 245,332.26 : x
  2. Step 2: Convert to fraction form
    438,924.82/605,714.38 = 245,332.26/x
  3. Step 3: Cross multiply
    438,924.82x = 605,714.38 × 245,332.26
  4. Step 4: Simplify right side
    438,924.82x = 148,601,277,146.57
  5. Step 5: Solve for x
    x = 148,601,277,146.57/438,924.82
  6. Step 6: Final answer
    x = 338,557.47

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1.5x scale

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.