Home / 214,389.98-321,519.12-148,255.10

Finding the Fourth Proportional to 214,389.98, 321,519.12 and 148,255.10

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Solution

The fourth proportional to 214,389.98, 321,519.12 and 148,255.10 is: 222,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,389.98 : 321,519.12 = 148,255.10 : x
  2. Step 2: Convert to fraction form
    214,389.98/321,519.12 = 148,255.10/x
  3. Step 3: Cross multiply
    214,389.98x = 321,519.12 × 148,255.10
  4. Step 4: Simplify right side
    214,389.98x = 47,666,848,329.66
  5. Step 5: Solve for x
    x = 47,666,848,329.66/214,389.98
  6. Step 6: Final answer
    x = 222,337.11

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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.