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Finding the Fourth Proportional to 341,084.79, 511,982.01 and 251,228.94

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Solution

The fourth proportional to 341,084.79, 511,982.01 and 251,228.94 is: 377,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,084.79 : 511,982.01 = 251,228.94 : x
  2. Step 2: Convert to fraction form
    341,084.79/511,982.01 = 251,228.94/x
  3. Step 3: Cross multiply
    341,084.79x = 511,982.01 × 251,228.94
  4. Step 4: Simplify right side
    341,084.79x = 128,624,697,671.37
  5. Step 5: Solve for x
    x = 128,624,697,671.37/341,084.79
  6. Step 6: Final answer
    x = 377,104.76

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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.