Finding the Fourth Proportional to 144,090.66, 215,960.90 and 101,982.99
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Solution
The fourth proportional to 144,090.66, 215,960.90 and 101,982.99 is: 152,850.56
Step by Step Solution
- Step 1: Write the proportion equation
144,090.66 : 215,960.90 = 101,982.99 : x - Step 2: Convert to fraction form
144,090.66/215,960.90 = 101,982.99/x - Step 3: Cross multiply
144,090.66x = 215,960.90 × 101,982.99 - Step 4: Simplify right side
144,090.66x = 22,024,337,795.18 - Step 5: Solve for x
x = 22,024,337,795.18/144,090.66 - Step 6: Final answer
x = 152,850.56
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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.