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Finding the Fourth Proportional to 270,610.34, 405,917.24 and 70,929

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Solution

The fourth proportional to 270,610.34, 405,917.24 and 70,929 is: 106,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,610.34 : 405,917.24 = 70,929 : x
  2. Step 2: Convert to fraction form
    270,610.34/405,917.24 = 70,929/x
  3. Step 3: Cross multiply
    270,610.34x = 405,917.24 × 70,929
  4. Step 4: Simplify right side
    270,610.34x = 28,791,303,915.96
  5. Step 5: Solve for x
    x = 28,791,303,915.96/270,610.34
  6. Step 6: Final answer
    x = 106,393.95

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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.