Home / 214,870.37-321,999.90-158,265.35

Finding the Fourth Proportional to 214,870.37, 321,999.90 and 158,265.35

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Solution

The fourth proportional to 214,870.37, 321,999.90 and 158,265.35 is: 237,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,870.37 : 321,999.90 = 158,265.35 : x
  2. Step 2: Convert to fraction form
    214,870.37/321,999.90 = 158,265.35/x
  3. Step 3: Cross multiply
    214,870.37x = 321,999.90 × 158,265.35
  4. Step 4: Simplify right side
    214,870.37x = 50,961,425,263.47
  5. Step 5: Solve for x
    x = 50,961,425,263.47/214,870.37
  6. Step 6: Final answer
    x = 237,172.89

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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.