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Finding the Fourth Proportional to 603,160.84, 903,363.16 and 287,839.20

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Solution

The fourth proportional to 603,160.84, 903,363.16 and 287,839.20 is: 431,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,160.84 : 903,363.16 = 287,839.20 : x
  2. Step 2: Convert to fraction form
    603,160.84/903,363.16 = 287,839.20/x
  3. Step 3: Cross multiply
    603,160.84x = 903,363.16 × 287,839.20
  4. Step 4: Simplify right side
    603,160.84x = 260,023,329,283.87
  5. Step 5: Solve for x
    x = 260,023,329,283.87/603,160.84
  6. Step 6: Final answer
    x = 431,101.15

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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.