Home / 214,429.28-321,708.16-64,674.45

Finding the Fourth Proportional to 214,429.28, 321,708.16 and 64,674.45

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Solution

The fourth proportional to 214,429.28, 321,708.16 and 64,674.45 is: 97,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,429.28 : 321,708.16 = 64,674.45 : x
  2. Step 2: Convert to fraction form
    214,429.28/321,708.16 = 64,674.45/x
  3. Step 3: Cross multiply
    214,429.28x = 321,708.16 × 64,674.45
  4. Step 4: Simplify right side
    214,429.28x = 20,806,298,025.56
  5. Step 5: Solve for x
    x = 20,806,298,025.56/214,429.28
  6. Step 6: Final answer
    x = 97,031.05

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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.