Home / 214,688.41-321,542.12-102,447.43

Finding the Fourth Proportional to 214,688.41, 321,542.12 and 102,447.43

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Solution

The fourth proportional to 214,688.41, 321,542.12 and 102,447.43 is: 153,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,688.41 : 321,542.12 = 102,447.43 : x
  2. Step 2: Convert to fraction form
    214,688.41/321,542.12 = 102,447.43/x
  3. Step 3: Cross multiply
    214,688.41x = 321,542.12 × 102,447.43
  4. Step 4: Simplify right side
    214,688.41x = 32,941,163,283.01
  5. Step 5: Solve for x
    x = 32,941,163,283.01/214,688.41
  6. Step 6: Final answer
    x = 153,437.08

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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.