Home / 215,731.35-323,764.11-173,714.32

Finding the Fourth Proportional to 215,731.35, 323,764.11 and 173,714.32

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Solution

The fourth proportional to 215,731.35, 323,764.11 and 173,714.32 is: 260,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,731.35 : 323,764.11 = 173,714.32 : x
  2. Step 2: Convert to fraction form
    215,731.35/323,764.11 = 173,714.32/x
  3. Step 3: Cross multiply
    215,731.35x = 323,764.11 × 173,714.32
  4. Step 4: Simplify right side
    215,731.35x = 56,242,459,721.66
  5. Step 5: Solve for x
    x = 56,242,459,721.66/215,731.35
  6. Step 6: Final answer
    x = 260,706.02

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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.