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Finding the Fourth Proportional to 113,603.11, 170,405.06 and 34,717

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Solution

The fourth proportional to 113,603.11, 170,405.06 and 34,717 is: 52,075.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,603.11 : 170,405.06 = 34,717 : x
  2. Step 2: Convert to fraction form
    113,603.11/170,405.06 = 34,717/x
  3. Step 3: Cross multiply
    113,603.11x = 170,405.06 × 34,717
  4. Step 4: Simplify right side
    113,603.11x = 5,915,952,468.02
  5. Step 5: Solve for x
    x = 5,915,952,468.02/113,603.11
  6. Step 6: Final answer
    x = 52,075.62

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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.