Home / 214,464.09-321,698.47-64,705.72

Finding the Fourth Proportional to 214,464.09, 321,698.47 and 64,705.72

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Solution

The fourth proportional to 214,464.09, 321,698.47 and 64,705.72 is: 97,059.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,464.09 : 321,698.47 = 64,705.72 : x
  2. Step 2: Convert to fraction form
    214,464.09/321,698.47 = 64,705.72/x
  3. Step 3: Cross multiply
    214,464.09x = 321,698.47 × 64,705.72
  4. Step 4: Simplify right side
    214,464.09x = 20,815,731,124.25
  5. Step 5: Solve for x
    x = 20,815,731,124.25/214,464.09
  6. Step 6: Final answer
    x = 97,059.28

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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.