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Finding the Fourth Proportional to 511,585.32, 767,144.70 and 245,471.16

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Solution

The fourth proportional to 511,585.32, 767,144.70 and 245,471.16 is: 368,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,585.32 : 767,144.70 = 245,471.16 : x
  2. Step 2: Convert to fraction form
    511,585.32/767,144.70 = 245,471.16/x
  3. Step 3: Cross multiply
    511,585.32x = 767,144.70 × 245,471.16
  4. Step 4: Simplify right side
    511,585.32x = 188,311,899,396.85
  5. Step 5: Solve for x
    x = 188,311,899,396.85/511,585.32
  6. Step 6: Final answer
    x = 368,094.81

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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.