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Finding the Fourth Proportional to 438,627.15, 657,842.31 and 201,742.25

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Solution

The fourth proportional to 438,627.15, 657,842.31 and 201,742.25 is: 302,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,627.15 : 657,842.31 = 201,742.25 : x
  2. Step 2: Convert to fraction form
    438,627.15/657,842.31 = 201,742.25/x
  3. Step 3: Cross multiply
    438,627.15x = 657,842.31 × 201,742.25
  4. Step 4: Simplify right side
    438,627.15x = 132,714,584,475.39
  5. Step 5: Solve for x
    x = 132,714,584,475.39/438,627.15
  6. Step 6: Final answer
    x = 302,568.10

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