Finding the Fourth Proportional to 218,945.34, 301,985.01 and 167,378.99
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Solution
The fourth proportional to 218,945.34, 301,985.01 and 167,378.99 is: 230,861.02
Step by Step Solution
- Step 1: Write the proportion equation
218,945.34 : 301,985.01 = 167,378.99 : x - Step 2: Convert to fraction form
218,945.34/301,985.01 = 167,378.99/x - Step 3: Cross multiply
218,945.34x = 301,985.01 × 167,378.99 - Step 4: Simplify right side
218,945.34x = 50,545,944,459.01 - Step 5: Solve for x
x = 50,545,944,459.01/218,945.34 - Step 6: Final answer
x = 230,861.02
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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.