Home / 627,172.20-940,844.70-272,176.20

Finding the Fourth Proportional to 627,172.20, 940,844.70 and 272,176.20

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Solution

The fourth proportional to 627,172.20, 940,844.70 and 272,176.20 is: 408,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,172.20 : 940,844.70 = 272,176.20 : x
  2. Step 2: Convert to fraction form
    627,172.20/940,844.70 = 272,176.20/x
  3. Step 3: Cross multiply
    627,172.20x = 940,844.70 × 272,176.20
  4. Step 4: Simplify right side
    627,172.20x = 256,075,535,236.14
  5. Step 5: Solve for x
    x = 256,075,535,236.14/627,172.20
  6. Step 6: Final answer
    x = 408,301.80

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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.