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Finding the Fourth Proportional to 426,858.18, 640,312.32 and 160,621.00

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Solution

The fourth proportional to 426,858.18, 640,312.32 and 160,621.00 is: 240,940.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,858.18 : 640,312.32 = 160,621.00 : x
  2. Step 2: Convert to fraction form
    426,858.18/640,312.32 = 160,621.00/x
  3. Step 3: Cross multiply
    426,858.18x = 640,312.32 × 160,621.00
  4. Step 4: Simplify right side
    426,858.18x = 102,847,604,152.27
  5. Step 5: Solve for x
    x = 102,847,604,152.27/426,858.18
  6. Step 6: Final answer
    x = 240,940.93

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