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Finding the Fourth Proportional to 344,212.68, 475,064.82 and 271,448.76

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Solution

The fourth proportional to 344,212.68, 475,064.82 and 271,448.76 is: 374,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,212.68 : 475,064.82 = 271,448.76 : x
  2. Step 2: Convert to fraction form
    344,212.68/475,064.82 = 271,448.76/x
  3. Step 3: Cross multiply
    344,212.68x = 475,064.82 × 271,448.76
  4. Step 4: Simplify right side
    344,212.68x = 128,955,756,308.62
  5. Step 5: Solve for x
    x = 128,955,756,308.62/344,212.68
  6. Step 6: Final answer
    x = 374,639.76

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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.