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Finding the Fourth Proportional to 312,702.19, 431,550.59 and 190,242.34

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Solution

The fourth proportional to 312,702.19, 431,550.59 and 190,242.34 is: 262,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,702.19 : 431,550.59 = 190,242.34 : x
  2. Step 2: Convert to fraction form
    312,702.19/431,550.59 = 190,242.34/x
  3. Step 3: Cross multiply
    312,702.19x = 431,550.59 × 190,242.34
  4. Step 4: Simplify right side
    312,702.19x = 82,099,192,039.89
  5. Step 5: Solve for x
    x = 82,099,192,039.89/312,702.19
  6. Step 6: Final answer
    x = 262,547.55

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