Home / 214,342.05-321,447.40-148,207.17

Finding the Fourth Proportional to 214,342.05, 321,447.40 and 148,207.17

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Solution

The fourth proportional to 214,342.05, 321,447.40 and 148,207.17 is: 222,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,342.05 : 321,447.40 = 148,207.17 : x
  2. Step 2: Convert to fraction form
    214,342.05/321,447.40 = 148,207.17/x
  3. Step 3: Cross multiply
    214,342.05x = 321,447.40 × 148,207.17
  4. Step 4: Simplify right side
    214,342.05x = 47,640,809,457.86
  5. Step 5: Solve for x
    x = 47,640,809,457.86/214,342.05
  6. Step 6: Final answer
    x = 222,265.34

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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.