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Finding the Fourth Proportional to 169,017.30, 253,509.43 and 44,358.30

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Solution

The fourth proportional to 169,017.30, 253,509.43 and 44,358.30 is: 66,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,017.30 : 253,509.43 = 44,358.30 : x
  2. Step 2: Convert to fraction form
    169,017.30/253,509.43 = 44,358.30/x
  3. Step 3: Cross multiply
    169,017.30x = 253,509.43 × 44,358.30
  4. Step 4: Simplify right side
    169,017.30x = 11,245,247,348.77
  5. Step 5: Solve for x
    x = 11,245,247,348.77/169,017.30
  6. Step 6: Final answer
    x = 66,533.11

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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.