Home / 214,501.60-321,752.40-205,400.80

Finding the Fourth Proportional to 214,501.60, 321,752.40 and 205,400.80

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Solution

The fourth proportional to 214,501.60, 321,752.40 and 205,400.80 is: 308,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,501.60 : 321,752.40 = 205,400.80 : x
  2. Step 2: Convert to fraction form
    214,501.60/321,752.40 = 205,400.80/x
  3. Step 3: Cross multiply
    214,501.60x = 321,752.40 × 205,400.80
  4. Step 4: Simplify right side
    214,501.60x = 66,088,200,361.92
  5. Step 5: Solve for x
    x = 66,088,200,361.92/214,501.60
  6. Step 6: Final answer
    x = 308,101.20

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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.