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Finding the Fourth Proportional to 368,068.41, 552,101.94 and 115,368.30

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Solution

The fourth proportional to 368,068.41, 552,101.94 and 115,368.30 is: 173,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,068.41 : 552,101.94 = 115,368.30 : x
  2. Step 2: Convert to fraction form
    368,068.41/552,101.94 = 115,368.30/x
  3. Step 3: Cross multiply
    368,068.41x = 552,101.94 × 115,368.30
  4. Step 4: Simplify right side
    368,068.41x = 63,695,062,244.50
  5. Step 5: Solve for x
    x = 63,695,062,244.50/368,068.41
  6. Step 6: Final answer
    x = 173,052.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.