Finding the Fourth Proportional to 96,270.80, 144,477.16 and 45,669.99
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Solution
The fourth proportional to 96,270.80, 144,477.16 and 45,669.99 is: 68,538.65
Step by Step Solution
- Step 1: Write the proportion equation
96,270.80 : 144,477.16 = 45,669.99 : x - Step 2: Convert to fraction form
96,270.80/144,477.16 = 45,669.99/x - Step 3: Cross multiply
96,270.80x = 144,477.16 × 45,669.99 - Step 4: Simplify right side
96,270.80x = 6,598,270,452.43 - Step 5: Solve for x
x = 6,598,270,452.43/96,270.80 - Step 6: Final answer
x = 68,538.65
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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.