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Finding the Fourth Proportional to 377,018.09, 565,522.20 and 92,711.10

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Solution

The fourth proportional to 377,018.09, 565,522.20 and 92,711.10 is: 139,065.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,018.09 : 565,522.20 = 92,711.10 : x
  2. Step 2: Convert to fraction form
    377,018.09/565,522.20 = 92,711.10/x
  3. Step 3: Cross multiply
    377,018.09x = 565,522.20 × 92,711.10
  4. Step 4: Simplify right side
    377,018.09x = 52,430,185,236.42
  5. Step 5: Solve for x
    x = 52,430,185,236.42/377,018.09
  6. Step 6: Final answer
    x = 139,065.44

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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.