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Finding the Fourth Proportional to 383,007.64, 572,911.08 and 269,147.20

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Solution

The fourth proportional to 383,007.64, 572,911.08 and 269,147.20 is: 402,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,007.64 : 572,911.08 = 269,147.20 : x
  2. Step 2: Convert to fraction form
    383,007.64/572,911.08 = 269,147.20/x
  3. Step 3: Cross multiply
    383,007.64x = 572,911.08 × 269,147.20
  4. Step 4: Simplify right side
    383,007.64x = 154,197,413,030.98
  5. Step 5: Solve for x
    x = 154,197,413,030.98/383,007.64
  6. Step 6: Final answer
    x = 402,596.18

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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.