Finding the Fourth Proportional to 214,389.38, 295,992.87 and 137,944.02
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Solution
The fourth proportional to 214,389.38, 295,992.87 and 137,944.02 is: 190,449.95
Step by Step Solution
- Step 1: Write the proportion equation
214,389.38 : 295,992.87 = 137,944.02 : x - Step 2: Convert to fraction form
214,389.38/295,992.87 = 137,944.02/x - Step 3: Cross multiply
214,389.38x = 295,992.87 × 137,944.02 - Step 4: Simplify right side
214,389.38x = 40,830,446,379.14 - Step 5: Solve for x
x = 40,830,446,379.14/214,389.38 - Step 6: Final answer
x = 190,449.95
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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.