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Finding the Fourth Proportional to 367,095.90, 550,643.85 and 353,099.10

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Solution

The fourth proportional to 367,095.90, 550,643.85 and 353,099.10 is: 529,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,095.90 : 550,643.85 = 353,099.10 : x
  2. Step 2: Convert to fraction form
    367,095.90/550,643.85 = 353,099.10/x
  3. Step 3: Cross multiply
    367,095.90x = 550,643.85 × 353,099.10
  4. Step 4: Simplify right side
    367,095.90x = 194,431,847,855.54
  5. Step 5: Solve for x
    x = 194,431,847,855.54/367,095.90
  6. Step 6: Final answer
    x = 529,648.65

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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.