Finding the Fourth Proportional to 184,860.99, 255,108.33 and 99,978.05
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Solution
The fourth proportional to 184,860.99, 255,108.33 and 99,978.05 is: 137,969.80
Step by Step Solution
- Step 1: Write the proportion equation
184,860.99 : 255,108.33 = 99,978.05 : x - Step 2: Convert to fraction form
184,860.99/255,108.33 = 99,978.05/x - Step 3: Cross multiply
184,860.99x = 255,108.33 × 99,978.05 - Step 4: Simplify right side
184,860.99x = 25,505,233,372.16 - Step 5: Solve for x
x = 25,505,233,372.16/184,860.99 - Step 6: Final answer
x = 137,969.80
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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.