Home / 261,619.90-360,992.03-154,175.35

Finding the Fourth Proportional to 261,619.90, 360,992.03 and 154,175.35

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Solution

The fourth proportional to 261,619.90, 360,992.03 and 154,175.35 is: 212,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,619.90 : 360,992.03 = 154,175.35 : x
  2. Step 2: Convert to fraction form
    261,619.90/360,992.03 = 154,175.35/x
  3. Step 3: Cross multiply
    261,619.90x = 360,992.03 × 154,175.35
  4. Step 4: Simplify right side
    261,619.90x = 55,656,071,477.26
  5. Step 5: Solve for x
    x = 55,656,071,477.26/261,619.90
  6. Step 6: Final answer
    x = 212,736.39

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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.