Home / 290,717.64-401,076.46-214,419.89

Finding the Fourth Proportional to 290,717.64, 401,076.46 and 214,419.89

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Solution

The fourth proportional to 290,717.64, 401,076.46 and 214,419.89 is: 295,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,717.64 : 401,076.46 = 214,419.89 : x
  2. Step 2: Convert to fraction form
    290,717.64/401,076.46 = 214,419.89/x
  3. Step 3: Cross multiply
    290,717.64x = 401,076.46 × 214,419.89
  4. Step 4: Simplify right side
    290,717.64x = 85,998,771,705.51
  5. Step 5: Solve for x
    x = 85,998,771,705.51/290,717.64
  6. Step 6: Final answer
    x = 295,815.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.