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Finding the Fourth Proportional to 284,298.84, 426,423.56 and 115,836.93

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Solution

The fourth proportional to 284,298.84, 426,423.56 and 115,836.93 is: 173,745.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,298.84 : 426,423.56 = 115,836.93 : x
  2. Step 2: Convert to fraction form
    284,298.84/426,423.56 = 115,836.93/x
  3. Step 3: Cross multiply
    284,298.84x = 426,423.56 × 115,836.93
  4. Step 4: Simplify right side
    284,298.84x = 49,395,595,490.89
  5. Step 5: Solve for x
    x = 49,395,595,490.89/284,298.84
  6. Step 6: Final answer
    x = 173,745.33

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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.