Home / 214,220.84-319,416.04-208,335.56

Finding the Fourth Proportional to 214,220.84, 319,416.04 and 208,335.56

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Solution

The fourth proportional to 214,220.84, 319,416.04 and 208,335.56 is: 310,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,220.84 : 319,416.04 = 208,335.56 : x
  2. Step 2: Convert to fraction form
    214,220.84/319,416.04 = 208,335.56/x
  3. Step 3: Cross multiply
    214,220.84x = 319,416.04 × 208,335.56
  4. Step 4: Simplify right side
    214,220.84x = 66,545,719,566.38
  5. Step 5: Solve for x
    x = 66,545,719,566.38/214,220.84
  6. Step 6: Final answer
    x = 310,640.74

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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.