Home / 367,637.90-551,456.85-209,882.30

Finding the Fourth Proportional to 367,637.90, 551,456.85 and 209,882.30

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Solution

The fourth proportional to 367,637.90, 551,456.85 and 209,882.30 is: 314,823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,637.90 : 551,456.85 = 209,882.30 : x
  2. Step 2: Convert to fraction form
    367,637.90/551,456.85 = 209,882.30/x
  3. Step 3: Cross multiply
    367,637.90x = 551,456.85 × 209,882.30
  4. Step 4: Simplify right side
    367,637.90x = 115,741,032,028.76
  5. Step 5: Solve for x
    x = 115,741,032,028.76/367,637.90
  6. Step 6: Final answer
    x = 314,823.45

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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.