Home / 214,208.52-321,358.40-64,436.28

Finding the Fourth Proportional to 214,208.52, 321,358.40 and 64,436.28

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Solution

The fourth proportional to 214,208.52, 321,358.40 and 64,436.28 is: 96,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,208.52 : 321,358.40 = 64,436.28 : x
  2. Step 2: Convert to fraction form
    214,208.52/321,358.40 = 64,436.28/x
  3. Step 3: Cross multiply
    214,208.52x = 321,358.40 × 64,436.28
  4. Step 4: Simplify right side
    214,208.52x = 20,707,139,842.75
  5. Step 5: Solve for x
    x = 20,707,139,842.75/214,208.52
  6. Step 6: Final answer
    x = 96,668.14

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1.5x scale

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.