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Finding the Fourth Proportional to 251,362.95, 376,831.88 and 109,101.30

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Solution

The fourth proportional to 251,362.95, 376,831.88 and 109,101.30 is: 163,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,362.95 : 376,831.88 = 109,101.30 : x
  2. Step 2: Convert to fraction form
    251,362.95/376,831.88 = 109,101.30/x
  3. Step 3: Cross multiply
    251,362.95x = 376,831.88 × 109,101.30
  4. Step 4: Simplify right side
    251,362.95x = 41,112,847,989.44
  5. Step 5: Solve for x
    x = 41,112,847,989.44/251,362.95
  6. Step 6: Final answer
    x = 163,559.70

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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.