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Finding the Fourth Proportional to 444,071.49, 612,781.64 and 250,468.53

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Solution

The fourth proportional to 444,071.49, 612,781.64 and 250,468.53 is: 345,625.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,071.49 : 612,781.64 = 250,468.53 : x
  2. Step 2: Convert to fraction form
    444,071.49/612,781.64 = 250,468.53/x
  3. Step 3: Cross multiply
    444,071.49x = 612,781.64 × 250,468.53
  4. Step 4: Simplify right side
    444,071.49x = 153,482,515,329.45
  5. Step 5: Solve for x
    x = 153,482,515,329.45/444,071.49
  6. Step 6: Final answer
    x = 345,625.69

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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.