Finding the Fourth Proportional to 236,229.60, 354,415.93 and 84,406.79
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Solution
The fourth proportional to 236,229.60, 354,415.93 and 84,406.79 is: 126,635.75
Step by Step Solution
- Step 1: Write the proportion equation
236,229.60 : 354,415.93 = 84,406.79 : x - Step 2: Convert to fraction form
236,229.60/354,415.93 = 84,406.79/x - Step 3: Cross multiply
236,229.60x = 354,415.93 × 84,406.79 - Step 4: Simplify right side
236,229.60x = 29,915,111,651.19 - Step 5: Solve for x
x = 29,915,111,651.19/236,229.60 - Step 6: Final answer
x = 126,635.75
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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.