Home / 389,064.00-536,949.60-228,054.33

Finding the Fourth Proportional to 389,064.00, 536,949.60 and 228,054.33

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Solution

The fourth proportional to 389,064.00, 536,949.60 and 228,054.33 is: 314,739.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,064.00 : 536,949.60 = 228,054.33 : x
  2. Step 2: Convert to fraction form
    389,064.00/536,949.60 = 228,054.33/x
  3. Step 3: Cross multiply
    389,064.00x = 536,949.60 × 228,054.33
  4. Step 4: Simplify right side
    389,064.00x = 122,453,677,731.82
  5. Step 5: Solve for x
    x = 122,453,677,731.82/389,064.00
  6. Step 6: Final answer
    x = 314,739.16

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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.