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Finding the Fourth Proportional to 201,680.10, 302,520.15 and 169,203.15

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Solution

The fourth proportional to 201,680.10, 302,520.15 and 169,203.15 is: 253,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,680.10 : 302,520.15 = 169,203.15 : x
  2. Step 2: Convert to fraction form
    201,680.10/302,520.15 = 169,203.15/x
  3. Step 3: Cross multiply
    201,680.10x = 302,520.15 × 169,203.15
  4. Step 4: Simplify right side
    201,680.10x = 51,187,362,318.47
  5. Step 5: Solve for x
    x = 51,187,362,318.47/201,680.10
  6. Step 6: Final answer
    x = 253,804.73

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1.5x scale

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.