Home / 214,212.84-319,404.13-208,327.54

Finding the Fourth Proportional to 214,212.84, 319,404.13 and 208,327.54

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Solution

The fourth proportional to 214,212.84, 319,404.13 and 208,327.54 is: 310,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,212.84 : 319,404.13 = 208,327.54 : x
  2. Step 2: Convert to fraction form
    214,212.84/319,404.13 = 208,327.54/x
  3. Step 3: Cross multiply
    214,212.84x = 319,404.13 × 208,327.54
  4. Step 4: Simplify right side
    214,212.84x = 66,540,677,328.40
  5. Step 5: Solve for x
    x = 66,540,677,328.40/214,212.84
  6. Step 6: Final answer
    x = 310,628.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.