Home / 274,239.68-378,554.51-245,507.36

Finding the Fourth Proportional to 274,239.68, 378,554.51 and 245,507.36

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Solution

The fourth proportional to 274,239.68, 378,554.51 and 245,507.36 is: 338,893.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,239.68 : 378,554.51 = 245,507.36 : x
  2. Step 2: Convert to fraction form
    274,239.68/378,554.51 = 245,507.36/x
  3. Step 3: Cross multiply
    274,239.68x = 378,554.51 × 245,507.36
  4. Step 4: Simplify right side
    274,239.68x = 92,937,917,087.19
  5. Step 5: Solve for x
    x = 92,937,917,087.19/274,239.68
  6. Step 6: Final answer
    x = 338,893.04

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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.