Home / 264,714.13-397,120.40-87,228.15

Finding the Fourth Proportional to 264,714.13, 397,120.40 and 87,228.15

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Solution

The fourth proportional to 264,714.13, 397,120.40 and 87,228.15 is: 130,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,714.13 : 397,120.40 = 87,228.15 : x
  2. Step 2: Convert to fraction form
    264,714.13/397,120.40 = 87,228.15/x
  3. Step 3: Cross multiply
    264,714.13x = 397,120.40 × 87,228.15
  4. Step 4: Simplify right side
    264,714.13x = 34,640,077,819.26
  5. Step 5: Solve for x
    x = 34,640,077,819.26/264,714.13
  6. Step 6: Final answer
    x = 130,858.44

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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.