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Finding the Fourth Proportional to 203,666.80, 305,500.16 and 63,436.36

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Solution

The fourth proportional to 203,666.80, 305,500.16 and 63,436.36 is: 95,154.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,666.80 : 305,500.16 = 63,436.36 : x
  2. Step 2: Convert to fraction form
    203,666.80/305,500.16 = 63,436.36/x
  3. Step 3: Cross multiply
    203,666.80x = 305,500.16 × 63,436.36
  4. Step 4: Simplify right side
    203,666.80x = 19,379,818,129.82
  5. Step 5: Solve for x
    x = 19,379,818,129.82/203,666.80
  6. Step 6: Final answer
    x = 95,154.53

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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.