Finding the Fourth Proportional to 190,050.13, 262,251.37 and 113,553.99
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Solution
The fourth proportional to 190,050.13, 262,251.37 and 113,553.99 is: 156,693.87
Step by Step Solution
- Step 1: Write the proportion equation
190,050.13 : 262,251.37 = 113,553.99 : x - Step 2: Convert to fraction form
190,050.13/262,251.37 = 113,553.99/x - Step 3: Cross multiply
190,050.13x = 262,251.37 × 113,553.99 - Step 4: Simplify right side
190,050.13x = 29,779,690,879.18 - Step 5: Solve for x
x = 29,779,690,879.18/190,050.13 - Step 6: Final answer
x = 156,693.87
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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.