Home / 214,828.30-321,751.59-102,587.14

Finding the Fourth Proportional to 214,828.30, 321,751.59 and 102,587.14

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Solution

The fourth proportional to 214,828.30, 321,751.59 and 102,587.14 is: 153,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,828.30 : 321,751.59 = 102,587.14 : x
  2. Step 2: Convert to fraction form
    214,828.30/321,751.59 = 102,587.14/x
  3. Step 3: Cross multiply
    214,828.30x = 321,751.59 × 102,587.14
  4. Step 4: Simplify right side
    214,828.30x = 33,007,575,408.55
  5. Step 5: Solve for x
    x = 33,007,575,408.55/214,828.30
  6. Step 6: Final answer
    x = 153,646.31

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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.