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Finding the Fourth Proportional to 444,168, 612,951.84 and 242,968.32

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Solution

The fourth proportional to 444,168, 612,951.84 and 242,968.32 is: 335,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,168 : 612,951.84 = 242,968.32 : x
  2. Step 2: Convert to fraction form
    444,168/612,951.84 = 242,968.32/x
  3. Step 3: Cross multiply
    444,168x = 612,951.84 × 242,968.32
  4. Step 4: Simplify right side
    444,168x = 148,927,878,805.71
  5. Step 5: Solve for x
    x = 148,927,878,805.71/444,168
  6. Step 6: Final answer
    x = 335,296.28

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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.