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Finding the Fourth Proportional to 540,082.80, 810,143.64 and 203,092.56

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Solution

The fourth proportional to 540,082.80, 810,143.64 and 203,092.56 is: 304,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,082.80 : 810,143.64 = 203,092.56 : x
  2. Step 2: Convert to fraction form
    540,082.80/810,143.64 = 203,092.56/x
  3. Step 3: Cross multiply
    540,082.80x = 810,143.64 × 203,092.56
  4. Step 4: Simplify right side
    540,082.80x = 164,534,145,815.32
  5. Step 5: Solve for x
    x = 164,534,145,815.32/540,082.80
  6. Step 6: Final answer
    x = 304,646.15

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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.