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Finding the Fourth Proportional to 356,905.60, 535,281.60 and 157,225.60

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Solution

The fourth proportional to 356,905.60, 535,281.60 and 157,225.60 is: 235,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,905.60 : 535,281.60 = 157,225.60 : x
  2. Step 2: Convert to fraction form
    356,905.60/535,281.60 = 157,225.60/x
  3. Step 3: Cross multiply
    356,905.60x = 535,281.60 × 157,225.60
  4. Step 4: Simplify right side
    356,905.60x = 84,159,970,728.96
  5. Step 5: Solve for x
    x = 84,159,970,728.96/356,905.60
  6. Step 6: Final answer
    x = 235,804.57

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