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Finding the Fourth Proportional to 334,915.40, 502,428.45 and 155,180.45

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Solution

The fourth proportional to 334,915.40, 502,428.45 and 155,180.45 is: 232,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,915.40 : 502,428.45 = 155,180.45 : x
  2. Step 2: Convert to fraction form
    334,915.40/502,428.45 = 155,180.45/x
  3. Step 3: Cross multiply
    334,915.40x = 502,428.45 × 155,180.45
  4. Step 4: Simplify right side
    334,915.40x = 77,967,072,963.80
  5. Step 5: Solve for x
    x = 77,967,072,963.80/334,915.40
  6. Step 6: Final answer
    x = 232,796.32

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