Home / 291,373.03-436,237.82-154,285.49

Finding the Fourth Proportional to 291,373.03, 436,237.82 and 154,285.49

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Solution

The fourth proportional to 291,373.03, 436,237.82 and 154,285.49 is: 230,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,373.03 : 436,237.82 = 154,285.49 : x
  2. Step 2: Convert to fraction form
    291,373.03/436,237.82 = 154,285.49/x
  3. Step 3: Cross multiply
    291,373.03x = 436,237.82 × 154,285.49
  4. Step 4: Simplify right side
    291,373.03x = 67,305,166,712.97
  5. Step 5: Solve for x
    x = 67,305,166,712.97/291,373.03
  6. Step 6: Final answer
    x = 230,993.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.