Finding the Fourth Proportional to 136,370.99, 204,501.80 and 80,225.84
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Solution
The fourth proportional to 136,370.99, 204,501.80 and 80,225.84 is: 120,306.59
Step by Step Solution
- Step 1: Write the proportion equation
136,370.99 : 204,501.80 = 80,225.84 : x - Step 2: Convert to fraction form
136,370.99/204,501.80 = 80,225.84/x - Step 3: Cross multiply
136,370.99x = 204,501.80 × 80,225.84 - Step 4: Simplify right side
136,370.99x = 16,406,329,398.33 - Step 5: Solve for x
x = 16,406,329,398.33/136,370.99 - Step 6: Final answer
x = 120,306.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.