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Finding the Fourth Proportional to 356,730.60, 535,095.90 and 156,838.80

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Solution

The fourth proportional to 356,730.60, 535,095.90 and 156,838.80 is: 235,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,730.60 : 535,095.90 = 156,838.80 : x
  2. Step 2: Convert to fraction form
    356,730.60/535,095.90 = 156,838.80/x
  3. Step 3: Cross multiply
    356,730.60x = 535,095.90 × 156,838.80
  4. Step 4: Simplify right side
    356,730.60x = 83,923,798,840.92
  5. Step 5: Solve for x
    x = 83,923,798,840.92/356,730.60
  6. Step 6: Final answer
    x = 235,258.20

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