Home / 214,208.80-321,313.20-164,442.40

Finding the Fourth Proportional to 214,208.80, 321,313.20 and 164,442.40

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Solution

The fourth proportional to 214,208.80, 321,313.20 and 164,442.40 is: 246,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,208.80 : 321,313.20 = 164,442.40 : x
  2. Step 2: Convert to fraction form
    214,208.80/321,313.20 = 164,442.40/x
  3. Step 3: Cross multiply
    214,208.80x = 321,313.20 × 164,442.40
  4. Step 4: Simplify right side
    214,208.80x = 52,837,513,759.68
  5. Step 5: Solve for x
    x = 52,837,513,759.68/214,208.80
  6. Step 6: Final answer
    x = 246,663.60

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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.