Home / 228,238.74-342,504.99-123,130.26

Finding the Fourth Proportional to 228,238.74, 342,504.99 and 123,130.26

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Solution

The fourth proportional to 228,238.74, 342,504.99 and 123,130.26 is: 184,774.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,238.74 : 342,504.99 = 123,130.26 : x
  2. Step 2: Convert to fraction form
    228,238.74/342,504.99 = 123,130.26/x
  3. Step 3: Cross multiply
    228,238.74x = 342,504.99 × 123,130.26
  4. Step 4: Simplify right side
    228,238.74x = 42,172,728,470.00
  5. Step 5: Solve for x
    x = 42,172,728,470.00/228,238.74
  6. Step 6: Final answer
    x = 184,774.63

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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.