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Finding the Fourth Proportional to 368,170.40, 552,262.49 and 115,445.34

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Solution

The fourth proportional to 368,170.40, 552,262.49 and 115,445.34 is: 173,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,170.40 : 552,262.49 = 115,445.34 : x
  2. Step 2: Convert to fraction form
    368,170.40/552,262.49 = 115,445.34/x
  3. Step 3: Cross multiply
    368,170.40x = 552,262.49 × 115,445.34
  4. Step 4: Simplify right side
    368,170.40x = 63,756,130,350.07
  5. Step 5: Solve for x
    x = 63,756,130,350.07/368,170.40
  6. Step 6: Final answer
    x = 173,170.17

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