Home / 353,290.72-529,942.20-100,577.80

Finding the Fourth Proportional to 353,290.72, 529,942.20 and 100,577.80

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Solution

The fourth proportional to 353,290.72, 529,942.20 and 100,577.80 is: 150,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,290.72 : 529,942.20 = 100,577.80 : x
  2. Step 2: Convert to fraction form
    353,290.72/529,942.20 = 100,577.80/x
  3. Step 3: Cross multiply
    353,290.72x = 529,942.20 × 100,577.80
  4. Step 4: Simplify right side
    353,290.72x = 53,300,420,603.16
  5. Step 5: Solve for x
    x = 53,300,420,603.16/353,290.72
  6. Step 6: Final answer
    x = 150,868.44

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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.