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Finding the Fourth Proportional to 479,614.16, 661,867.67 and 264,754.37

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Solution

The fourth proportional to 479,614.16, 661,867.67 and 264,754.37 is: 365,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,614.16 : 661,867.67 = 264,754.37 : x
  2. Step 2: Convert to fraction form
    479,614.16/661,867.67 = 264,754.37/x
  3. Step 3: Cross multiply
    479,614.16x = 661,867.67 × 264,754.37
  4. Step 4: Simplify right side
    479,614.16x = 175,232,357,994.22
  5. Step 5: Solve for x
    x = 175,232,357,994.22/479,614.16
  6. Step 6: Final answer
    x = 365,361.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.