Home / 245,026.40-338,173.04-149,588.51

Finding the Fourth Proportional to 245,026.40, 338,173.04 and 149,588.51

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Solution

The fourth proportional to 245,026.40, 338,173.04 and 149,588.51 is: 206,454.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,026.40 : 338,173.04 = 149,588.51 : x
  2. Step 2: Convert to fraction form
    245,026.40/338,173.04 = 149,588.51/x
  3. Step 3: Cross multiply
    245,026.40x = 338,173.04 × 149,588.51
  4. Step 4: Simplify right side
    245,026.40x = 50,586,801,175.77
  5. Step 5: Solve for x
    x = 50,586,801,175.77/245,026.40
  6. Step 6: Final answer
    x = 206,454.49

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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.