Home / 214,688.46-321,534.39-207,215.30

Finding the Fourth Proportional to 214,688.46, 321,534.39 and 207,215.30

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Solution

The fourth proportional to 214,688.46, 321,534.39 and 207,215.30 is: 310,342.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,688.46 : 321,534.39 = 207,215.30 : x
  2. Step 2: Convert to fraction form
    214,688.46/321,534.39 = 207,215.30/x
  3. Step 3: Cross multiply
    214,688.46x = 321,534.39 × 207,215.30
  4. Step 4: Simplify right side
    214,688.46x = 66,626,845,084.17
  5. Step 5: Solve for x
    x = 66,626,845,084.17/214,688.46
  6. Step 6: Final answer
    x = 310,342.00

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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.