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Finding the Fourth Proportional to 284,671.19, 426,999.95 and 92,545.37

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Solution

The fourth proportional to 284,671.19, 426,999.95 and 92,545.37 is: 138,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,671.19 : 426,999.95 = 92,545.37 : x
  2. Step 2: Convert to fraction form
    284,671.19/426,999.95 = 92,545.37/x
  3. Step 3: Cross multiply
    284,671.19x = 426,999.95 × 92,545.37
  4. Step 4: Simplify right side
    284,671.19x = 39,516,868,362.73
  5. Step 5: Solve for x
    x = 39,516,868,362.73/284,671.19
  6. Step 6: Final answer
    x = 138,815.83

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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.