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Finding the Fourth Proportional to 310,031.21, 427,810.02 and 174,080

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Solution

The fourth proportional to 310,031.21, 427,810.02 and 174,080 is: 240,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,031.21 : 427,810.02 = 174,080 : x
  2. Step 2: Convert to fraction form
    310,031.21/427,810.02 = 174,080/x
  3. Step 3: Cross multiply
    310,031.21x = 427,810.02 × 174,080
  4. Step 4: Simplify right side
    310,031.21x = 74,473,168,281.60
  5. Step 5: Solve for x
    x = 74,473,168,281.60/310,031.21
  6. Step 6: Final answer
    x = 240,211.84

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