Home / 368,489.38-551,848.32-210,238.06

Finding the Fourth Proportional to 368,489.38, 551,848.32 and 210,238.06

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Solution

The fourth proportional to 368,489.38, 551,848.32 and 210,238.06 is: 314,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,489.38 : 551,848.32 = 210,238.06 : x
  2. Step 2: Convert to fraction form
    368,489.38/551,848.32 = 210,238.06/x
  3. Step 3: Cross multiply
    368,489.38x = 551,848.32 × 210,238.06
  4. Step 4: Simplify right side
    368,489.38x = 116,019,520,211.06
  5. Step 5: Solve for x
    x = 116,019,520,211.06/368,489.38
  6. Step 6: Final answer
    x = 314,851.73

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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.