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Finding the Fourth Proportional to 273,778.98, 377,810.94 and 152,922.02

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Solution

The fourth proportional to 273,778.98, 377,810.94 and 152,922.02 is: 211,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,778.98 : 377,810.94 = 152,922.02 : x
  2. Step 2: Convert to fraction form
    273,778.98/377,810.94 = 152,922.02/x
  3. Step 3: Cross multiply
    273,778.98x = 377,810.94 × 152,922.02
  4. Step 4: Simplify right side
    273,778.98x = 57,775,612,122.90
  5. Step 5: Solve for x
    x = 57,775,612,122.90/273,778.98
  6. Step 6: Final answer
    x = 211,030.12

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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.