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Finding the Fourth Proportional to 581,644.84, 872,467.32 and 182,285.56

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Solution

The fourth proportional to 581,644.84, 872,467.32 and 182,285.56 is: 273,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,644.84 : 872,467.32 = 182,285.56 : x
  2. Step 2: Convert to fraction form
    581,644.84/872,467.32 = 182,285.56/x
  3. Step 3: Cross multiply
    581,644.84x = 872,467.32 × 182,285.56
  4. Step 4: Simplify right side
    581,644.84x = 159,038,194,007.90
  5. Step 5: Solve for x
    x = 159,038,194,007.90/581,644.84
  6. Step 6: Final answer
    x = 273,428.36

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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.