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Finding the Fourth Proportional to 122,588, 183,882 and 39,482

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Solution

The fourth proportional to 122,588, 183,882 and 39,482 is: 59,223

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,588 : 183,882 = 39,482 : x
  2. Step 2: Convert to fraction form
    122,588/183,882 = 39,482/x
  3. Step 3: Cross multiply
    122,588x = 183,882 × 39,482
  4. Step 4: Simplify right side
    122,588x = 7,260,029,124
  5. Step 5: Solve for x
    x = 7,260,029,124/122,588
  6. Step 6: Final answer
    x = 59,223

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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.