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Finding the Fourth Proportional to 528,348.87, 792,548.42 and 168,557.94

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Solution

The fourth proportional to 528,348.87, 792,548.42 and 168,557.94 is: 252,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,348.87 : 792,548.42 = 168,557.94 : x
  2. Step 2: Convert to fraction form
    528,348.87/792,548.42 = 168,557.94/x
  3. Step 3: Cross multiply
    528,348.87x = 792,548.42 × 168,557.94
  4. Step 4: Simplify right side
    528,348.87x = 133,590,328,182.67
  5. Step 5: Solve for x
    x = 133,590,328,182.67/528,348.87
  6. Step 6: Final answer
    x = 252,844.92

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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.