Home / 252,556.49-378,938.61-185,431.29

Finding the Fourth Proportional to 252,556.49, 378,938.61 and 185,431.29

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Solution

The fourth proportional to 252,556.49, 378,938.61 and 185,431.29 is: 278,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,556.49 : 378,938.61 = 185,431.29 : x
  2. Step 2: Convert to fraction form
    252,556.49/378,938.61 = 185,431.29/x
  3. Step 3: Cross multiply
    252,556.49x = 378,938.61 × 185,431.29
  4. Step 4: Simplify right side
    252,556.49x = 70,267,075,283.11
  5. Step 5: Solve for x
    x = 70,267,075,283.11/252,556.49
  6. Step 6: Final answer
    x = 278,223.21

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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.