Home / 290,862.03-435,845.93-172,297.47

Finding the Fourth Proportional to 290,862.03, 435,845.93 and 172,297.47

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Solution

The fourth proportional to 290,862.03, 435,845.93 and 172,297.47 is: 258,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,862.03 : 435,845.93 = 172,297.47 : x
  2. Step 2: Convert to fraction form
    290,862.03/435,845.93 = 172,297.47/x
  3. Step 3: Cross multiply
    290,862.03x = 435,845.93 × 172,297.47
  4. Step 4: Simplify right side
    290,862.03x = 75,095,150,187.31
  5. Step 5: Solve for x
    x = 75,095,150,187.31/290,862.03
  6. Step 6: Final answer
    x = 258,181.35

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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.