Home / 273,849.09-377,911.71-152,990.42

Finding the Fourth Proportional to 273,849.09, 377,911.71 and 152,990.42

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Solution

The fourth proportional to 273,849.09, 377,911.71 and 152,990.42 is: 211,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,849.09 : 377,911.71 = 152,990.42 : x
  2. Step 2: Convert to fraction form
    273,849.09/377,911.71 = 152,990.42/x
  3. Step 3: Cross multiply
    273,849.09x = 377,911.71 × 152,990.42
  4. Step 4: Simplify right side
    273,849.09x = 57,816,869,346.26
  5. Step 5: Solve for x
    x = 57,816,869,346.26/273,849.09
  6. Step 6: Final answer
    x = 211,126.75

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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.