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Finding the Fourth Proportional to 505,482.99, 757,207.52 and 239,500.05

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Solution

The fourth proportional to 505,482.99, 757,207.52 and 239,500.05 is: 358,768.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,482.99 : 757,207.52 = 239,500.05 : x
  2. Step 2: Convert to fraction form
    505,482.99/757,207.52 = 239,500.05/x
  3. Step 3: Cross multiply
    505,482.99x = 757,207.52 × 239,500.05
  4. Step 4: Simplify right side
    505,482.99x = 181,351,238,900.38
  5. Step 5: Solve for x
    x = 181,351,238,900.38/505,482.99
  6. Step 6: Final answer
    x = 358,768.23

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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.