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Finding the Fourth Proportional to 385,750.32, 578,680.20 and 119,531.76

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Solution

The fourth proportional to 385,750.32, 578,680.20 and 119,531.76 is: 179,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,750.32 : 578,680.20 = 119,531.76 : x
  2. Step 2: Convert to fraction form
    385,750.32/578,680.20 = 119,531.76/x
  3. Step 3: Cross multiply
    385,750.32x = 578,680.20 × 119,531.76
  4. Step 4: Simplify right side
    385,750.32x = 69,170,662,783.15
  5. Step 5: Solve for x
    x = 69,170,662,783.15/385,750.32
  6. Step 6: Final answer
    x = 179,314.60

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