Home / 273,861.03-377,914.76-152,978.31

Finding the Fourth Proportional to 273,861.03, 377,914.76 and 152,978.31

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Solution

The fourth proportional to 273,861.03, 377,914.76 and 152,978.31 is: 211,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,861.03 : 377,914.76 = 152,978.31 : x
  2. Step 2: Convert to fraction form
    273,861.03/377,914.76 = 152,978.31/x
  3. Step 3: Cross multiply
    273,861.03x = 377,914.76 × 152,978.31
  4. Step 4: Simplify right side
    273,861.03x = 57,812,760,543.96
  5. Step 5: Solve for x
    x = 57,812,760,543.96/273,861.03
  6. Step 6: Final answer
    x = 211,102.55

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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.