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Finding the Fourth Proportional to 238,437.20, 357,655.80 and 72,225.20

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Solution

The fourth proportional to 238,437.20, 357,655.80 and 72,225.20 is: 108,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,437.20 : 357,655.80 = 72,225.20 : x
  2. Step 2: Convert to fraction form
    238,437.20/357,655.80 = 72,225.20/x
  3. Step 3: Cross multiply
    238,437.20x = 357,655.80 × 72,225.20
  4. Step 4: Simplify right side
    238,437.20x = 25,831,761,686.16
  5. Step 5: Solve for x
    x = 25,831,761,686.16/238,437.20
  6. Step 6: Final answer
    x = 108,337.80

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