Finding the Fourth Proportional to 368,173.67, 508,082.69 and 207,027.31
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Solution
The fourth proportional to 368,173.67, 508,082.69 and 207,027.31 is: 285,699.39
Step by Step Solution
- Step 1: Write the proportion equation
368,173.67 : 508,082.69 = 207,027.31 : x - Step 2: Convert to fraction form
368,173.67/508,082.69 = 207,027.31/x - Step 3: Cross multiply
368,173.67x = 508,082.69 × 207,027.31 - Step 4: Simplify right side
368,173.67x = 105,186,991,815.63 - Step 5: Solve for x
x = 105,186,991,815.63/368,173.67 - Step 6: Final answer
x = 285,699.39
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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.