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Finding the Fourth Proportional to 346,475.70, 519,713.55 and 212,922.90

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Solution

The fourth proportional to 346,475.70, 519,713.55 and 212,922.90 is: 319,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,475.70 : 519,713.55 = 212,922.90 : x
  2. Step 2: Convert to fraction form
    346,475.70/519,713.55 = 212,922.90/x
  3. Step 3: Cross multiply
    346,475.70x = 519,713.55 × 212,922.90
  4. Step 4: Simplify right side
    346,475.70x = 110,658,916,235.30
  5. Step 5: Solve for x
    x = 110,658,916,235.30/346,475.70
  6. Step 6: Final answer
    x = 319,384.35

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