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Finding the Fourth Proportional to 545,172.84, 752,338.58 and 303,450.24

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Solution

The fourth proportional to 545,172.84, 752,338.58 and 303,450.24 is: 418,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,172.84 : 752,338.58 = 303,450.24 : x
  2. Step 2: Convert to fraction form
    545,172.84/752,338.58 = 303,450.24/x
  3. Step 3: Cross multiply
    545,172.84x = 752,338.58 × 303,450.24
  4. Step 4: Simplify right side
    545,172.84x = 228,297,322,662.26
  5. Step 5: Solve for x
    x = 228,297,322,662.26/545,172.84
  6. Step 6: Final answer
    x = 418,761.37

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1.5x scale

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.