Finding the Fourth Proportional to 144,595.99, 199,514.11 and 90,849.88
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Solution
The fourth proportional to 144,595.99, 199,514.11 and 90,849.88 is: 125,355.02
Step by Step Solution
- Step 1: Write the proportion equation
144,595.99 : 199,514.11 = 90,849.88 : x - Step 2: Convert to fraction form
144,595.99/199,514.11 = 90,849.88/x - Step 3: Cross multiply
144,595.99x = 199,514.11 × 90,849.88 - Step 4: Simplify right side
144,595.99x = 18,125,832,951.81 - Step 5: Solve for x
x = 18,125,832,951.81/144,595.99 - Step 6: Final answer
x = 125,355.02
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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.