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Finding the Fourth Proportional to 510,353.58, 765,641.08 and 155,358.40

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Solution

The fourth proportional to 510,353.58, 765,641.08 and 155,358.40 is: 233,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,353.58 : 765,641.08 = 155,358.40 : x
  2. Step 2: Convert to fraction form
    510,353.58/765,641.08 = 155,358.40/x
  3. Step 3: Cross multiply
    510,353.58x = 765,641.08 × 155,358.40
  4. Step 4: Simplify right side
    510,353.58x = 118,948,773,163.07
  5. Step 5: Solve for x
    x = 118,948,773,163.07/510,353.58
  6. Step 6: Final answer
    x = 233,071.30

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