Home / 248,920.05-343,409.31-144,075.02

Finding the Fourth Proportional to 248,920.05, 343,409.31 and 144,075.02

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Solution

The fourth proportional to 248,920.05, 343,409.31 and 144,075.02 is: 198,765.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,920.05 : 343,409.31 = 144,075.02 : x
  2. Step 2: Convert to fraction form
    248,920.05/343,409.31 = 144,075.02/x
  3. Step 3: Cross multiply
    248,920.05x = 343,409.31 × 144,075.02
  4. Step 4: Simplify right side
    248,920.05x = 49,476,703,206.44
  5. Step 5: Solve for x
    x = 49,476,703,206.44/248,920.05
  6. Step 6: Final answer
    x = 198,765.44

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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.