Home / 214,968.66-319,746.58-214,249.38

Finding the Fourth Proportional to 214,968.66, 319,746.58 and 214,249.38

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Solution

The fourth proportional to 214,968.66, 319,746.58 and 214,249.38 is: 318,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,968.66 : 319,746.58 = 214,249.38 : x
  2. Step 2: Convert to fraction form
    214,968.66/319,746.58 = 214,249.38/x
  3. Step 3: Cross multiply
    214,968.66x = 319,746.58 × 214,249.38
  4. Step 4: Simplify right side
    214,968.66x = 68,505,506,522.12
  5. Step 5: Solve for x
    x = 68,505,506,522.12/214,968.66
  6. Step 6: Final answer
    x = 318,676.72

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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.