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Finding the Fourth Proportional to 352,045.80, 528,068.70 and 115,412.40

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Solution

The fourth proportional to 352,045.80, 528,068.70 and 115,412.40 is: 173,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,045.80 : 528,068.70 = 115,412.40 : x
  2. Step 2: Convert to fraction form
    352,045.80/528,068.70 = 115,412.40/x
  3. Step 3: Cross multiply
    352,045.80x = 528,068.70 × 115,412.40
  4. Step 4: Simplify right side
    352,045.80x = 60,945,676,031.88
  5. Step 5: Solve for x
    x = 60,945,676,031.88/352,045.80
  6. Step 6: Final answer
    x = 173,118.60

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