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Finding the Fourth Proportional to 383,787.04, 575,680.56 and 103,297

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Solution

The fourth proportional to 383,787.04, 575,680.56 and 103,297 is: 154,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,787.04 : 575,680.56 = 103,297 : x
  2. Step 2: Convert to fraction form
    383,787.04/575,680.56 = 103,297/x
  3. Step 3: Cross multiply
    383,787.04x = 575,680.56 × 103,297
  4. Step 4: Simplify right side
    383,787.04x = 59,466,074,806.32
  5. Step 5: Solve for x
    x = 59,466,074,806.32/383,787.04
  6. Step 6: Final answer
    x = 154,945.50

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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.