Finding the Fourth Proportional to 151,840.08, 209,564.97 and 88,214.79
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Solution
The fourth proportional to 151,840.08, 209,564.97 and 88,214.79 is: 121,751.32
Step by Step Solution
- Step 1: Write the proportion equation
151,840.08 : 209,564.97 = 88,214.79 : x - Step 2: Convert to fraction form
151,840.08/209,564.97 = 88,214.79/x - Step 3: Cross multiply
151,840.08x = 209,564.97 × 88,214.79 - Step 4: Simplify right side
151,840.08x = 18,486,729,819.91 - Step 5: Solve for x
x = 18,486,729,819.91/151,840.08 - Step 6: Final answer
x = 121,751.32
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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.