Finding the Fourth Proportional to 165,608.95, 228,541.22 and 90,157.99
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Solution
The fourth proportional to 165,608.95, 228,541.22 and 90,157.99 is: 124,418.50
Step by Step Solution
- Step 1: Write the proportion equation
165,608.95 : 228,541.22 = 90,157.99 : x - Step 2: Convert to fraction form
165,608.95/228,541.22 = 90,157.99/x - Step 3: Cross multiply
165,608.95x = 228,541.22 × 90,157.99 - Step 4: Simplify right side
165,608.95x = 20,604,816,801.95 - Step 5: Solve for x
x = 20,604,816,801.95/165,608.95 - Step 6: Final answer
x = 124,418.50
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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.