Home / 627,389.87-941,087.95-154,075.37

Finding the Fourth Proportional to 627,389.87, 941,087.95 and 154,075.37

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Solution

The fourth proportional to 627,389.87, 941,087.95 and 154,075.37 is: 231,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,389.87 : 941,087.95 = 154,075.37 : x
  2. Step 2: Convert to fraction form
    627,389.87/941,087.95 = 154,075.37/x
  3. Step 3: Cross multiply
    627,389.87x = 941,087.95 × 154,075.37
  4. Step 4: Simplify right side
    627,389.87x = 144,998,469,008.16
  5. Step 5: Solve for x
    x = 144,998,469,008.16/627,389.87
  6. Step 6: Final answer
    x = 231,113.82

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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.