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Finding the Fourth Proportional to 346,664.40, 520,093.80 and 147,080.40

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Solution

The fourth proportional to 346,664.40, 520,093.80 and 147,080.40 is: 220,661.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,664.40 : 520,093.80 = 147,080.40 : x
  2. Step 2: Convert to fraction form
    346,664.40/520,093.80 = 147,080.40/x
  3. Step 3: Cross multiply
    346,664.40x = 520,093.80 × 147,080.40
  4. Step 4: Simplify right side
    346,664.40x = 76,495,604,141.52
  5. Step 5: Solve for x
    x = 76,495,604,141.52/346,664.40
  6. Step 6: Final answer
    x = 220,661.84

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