Home / 273,918.09-377,999.81-153,060.21

Finding the Fourth Proportional to 273,918.09, 377,999.81 and 153,060.21

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Solution

The fourth proportional to 273,918.09, 377,999.81 and 153,060.21 is: 211,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,918.09 : 377,999.81 = 153,060.21 : x
  2. Step 2: Convert to fraction form
    273,918.09/377,999.81 = 153,060.21/x
  3. Step 3: Cross multiply
    273,918.09x = 377,999.81 × 153,060.21
  4. Step 4: Simplify right side
    273,918.09x = 57,856,729,533.26
  5. Step 5: Solve for x
    x = 57,856,729,533.26/273,918.09
  6. Step 6: Final answer
    x = 211,219.09

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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.