Home / 214,462.19-321,695.60-64,703.78

Finding the Fourth Proportional to 214,462.19, 321,695.60 and 64,703.78

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Solution

The fourth proportional to 214,462.19, 321,695.60 and 64,703.78 is: 97,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,462.19 : 321,695.60 = 64,703.78 : x
  2. Step 2: Convert to fraction form
    214,462.19/321,695.60 = 64,703.78/x
  3. Step 3: Cross multiply
    214,462.19x = 321,695.60 × 64,703.78
  4. Step 4: Simplify right side
    214,462.19x = 20,814,919,397.37
  5. Step 5: Solve for x
    x = 20,814,919,397.37/214,462.19
  6. Step 6: Final answer
    x = 97,056.36

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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.