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Finding the Fourth Proportional to 340,295.63, 469,607.99 and 189,428.27

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Solution

The fourth proportional to 340,295.63, 469,607.99 and 189,428.27 is: 261,411.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,295.63 : 469,607.99 = 189,428.27 : x
  2. Step 2: Convert to fraction form
    340,295.63/469,607.99 = 189,428.27/x
  3. Step 3: Cross multiply
    340,295.63x = 469,607.99 × 189,428.27
  4. Step 4: Simplify right side
    340,295.63x = 88,957,025,828.70
  5. Step 5: Solve for x
    x = 88,957,025,828.70/340,295.63
  6. Step 6: Final answer
    x = 261,411.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.