Finding the Fourth Proportional to 236,400.86, 354,478.06 and 84,539.37
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Solution
The fourth proportional to 236,400.86, 354,478.06 and 84,539.37 is: 126,764.99
Step by Step Solution
- Step 1: Write the proportion equation
236,400.86 : 354,478.06 = 84,539.37 : x - Step 2: Convert to fraction form
236,400.86/354,478.06 = 84,539.37/x - Step 3: Cross multiply
236,400.86x = 354,478.06 × 84,539.37 - Step 4: Simplify right side
236,400.86x = 29,967,351,871.22 - Step 5: Solve for x
x = 29,967,351,871.22/236,400.86 - Step 6: Final answer
x = 126,764.99
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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.