Home / 353,684.20-529,748.70-307,028.20

Finding the Fourth Proportional to 353,684.20, 529,748.70 and 307,028.20

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Solution

The fourth proportional to 353,684.20, 529,748.70 and 307,028.20 is: 459,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,684.20 : 529,748.70 = 307,028.20 : x
  2. Step 2: Convert to fraction form
    353,684.20/529,748.70 = 307,028.20/x
  3. Step 3: Cross multiply
    353,684.20x = 529,748.70 × 307,028.20
  4. Step 4: Simplify right side
    353,684.20x = 162,647,789,813.34
  5. Step 5: Solve for x
    x = 162,647,789,813.34/353,684.20
  6. Step 6: Final answer
    x = 459,867.28

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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.