Home / 265,121.60-397,682.40-236,091.20

Finding the Fourth Proportional to 265,121.60, 397,682.40 and 236,091.20

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Solution

The fourth proportional to 265,121.60, 397,682.40 and 236,091.20 is: 354,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,121.60 : 397,682.40 = 236,091.20 : x
  2. Step 2: Convert to fraction form
    265,121.60/397,682.40 = 236,091.20/x
  3. Step 3: Cross multiply
    265,121.60x = 397,682.40 × 236,091.20
  4. Step 4: Simplify right side
    265,121.60x = 93,889,315,034.88
  5. Step 5: Solve for x
    x = 93,889,315,034.88/265,121.60
  6. Step 6: Final answer
    x = 354,136.80

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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.