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Finding the Fourth Proportional to 348,045.80, 522,068.70 and 208,077.80

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Solution

The fourth proportional to 348,045.80, 522,068.70 and 208,077.80 is: 312,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,045.80 : 522,068.70 = 208,077.80 : x
  2. Step 2: Convert to fraction form
    348,045.80/522,068.70 = 208,077.80/x
  3. Step 3: Cross multiply
    348,045.80x = 522,068.70 × 208,077.80
  4. Step 4: Simplify right side
    348,045.80x = 108,630,906,544.86
  5. Step 5: Solve for x
    x = 108,630,906,544.86/348,045.80
  6. Step 6: Final answer
    x = 312,116.70

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