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Finding the Fourth Proportional to 444,476.25, 613,377.23 and 243,272.25

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Solution

The fourth proportional to 444,476.25, 613,377.23 and 243,272.25 is: 335,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,476.25 : 613,377.23 = 243,272.25 : x
  2. Step 2: Convert to fraction form
    444,476.25/613,377.23 = 243,272.25/x
  3. Step 3: Cross multiply
    444,476.25x = 613,377.23 × 243,272.25
  4. Step 4: Simplify right side
    444,476.25x = 149,217,657,624.51
  5. Step 5: Solve for x
    x = 149,217,657,624.51/444,476.25
  6. Step 6: Final answer
    x = 335,715.71

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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.