Home / 214,728.29-321,671.12-174,790.25

Finding the Fourth Proportional to 214,728.29, 321,671.12 and 174,790.25

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Solution

The fourth proportional to 214,728.29, 321,671.12 and 174,790.25 is: 261,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,728.29 : 321,671.12 = 174,790.25 : x
  2. Step 2: Convert to fraction form
    214,728.29/321,671.12 = 174,790.25/x
  3. Step 3: Cross multiply
    214,728.29x = 321,671.12 × 174,790.25
  4. Step 4: Simplify right side
    214,728.29x = 56,224,973,874.22
  5. Step 5: Solve for x
    x = 56,224,973,874.22/214,728.29
  6. Step 6: Final answer
    x = 261,842.42

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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.