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Finding the Fourth Proportional to 418,552.94, 577,622.79 and 237,268.39

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Solution

The fourth proportional to 418,552.94, 577,622.79 and 237,268.39 is: 327,441.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,552.94 : 577,622.79 = 237,268.39 : x
  2. Step 2: Convert to fraction form
    418,552.94/577,622.79 = 237,268.39/x
  3. Step 3: Cross multiply
    418,552.94x = 577,622.79 × 237,268.39
  4. Step 4: Simplify right side
    418,552.94x = 137,051,629,578.34
  5. Step 5: Solve for x
    x = 137,051,629,578.34/418,552.94
  6. Step 6: Final answer
    x = 327,441.57

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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.