Home / 273,287.09-377,136.71-152,436.21

Finding the Fourth Proportional to 273,287.09, 377,136.71 and 152,436.21

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Solution

The fourth proportional to 273,287.09, 377,136.71 and 152,436.21 is: 210,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,287.09 : 377,136.71 = 152,436.21 : x
  2. Step 2: Convert to fraction form
    273,287.09/377,136.71 = 152,436.21/x
  3. Step 3: Cross multiply
    273,287.09x = 377,136.71 × 152,436.21
  4. Step 4: Simplify right side
    273,287.09x = 57,489,289,019.25
  5. Step 5: Solve for x
    x = 57,489,289,019.25/273,287.09
  6. Step 6: Final answer
    x = 210,362.25

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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.