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Finding the Fourth Proportional to 299,212.30, 448,444.23 and 149,494.51

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Solution

The fourth proportional to 299,212.30, 448,444.23 and 149,494.51 is: 224,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,212.30 : 448,444.23 = 149,494.51 : x
  2. Step 2: Convert to fraction form
    299,212.30/448,444.23 = 149,494.51/x
  3. Step 3: Cross multiply
    299,212.30x = 448,444.23 × 149,494.51
  4. Step 4: Simplify right side
    299,212.30x = 67,039,950,426.18
  5. Step 5: Solve for x
    x = 67,039,950,426.18/299,212.30
  6. Step 6: Final answer
    x = 224,054.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.