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Finding the Fourth Proportional to 315,741, 469,551.36 and 305,773.68

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Solution

The fourth proportional to 315,741, 469,551.36 and 305,773.68 is: 454,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,741 : 469,551.36 = 305,773.68 : x
  2. Step 2: Convert to fraction form
    315,741/469,551.36 = 305,773.68/x
  3. Step 3: Cross multiply
    315,741x = 469,551.36 × 305,773.68
  4. Step 4: Simplify right side
    315,741x = 143,576,447,296.21
  5. Step 5: Solve for x
    x = 143,576,447,296.21/315,741
  6. Step 6: Final answer
    x = 454,728.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.