Home / 205,311.30-307,999.35-65,084.10

Finding the Fourth Proportional to 205,311.30, 307,999.35 and 65,084.10

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Solution

The fourth proportional to 205,311.30, 307,999.35 and 65,084.10 is: 97,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,311.30 : 307,999.35 = 65,084.10 : x
  2. Step 2: Convert to fraction form
    205,311.30/307,999.35 = 65,084.10/x
  3. Step 3: Cross multiply
    205,311.30x = 307,999.35 × 65,084.10
  4. Step 4: Simplify right side
    205,311.30x = 20,045,860,495.34
  5. Step 5: Solve for x
    x = 20,045,860,495.34/205,311.30
  6. Step 6: Final answer
    x = 97,636.42

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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.