Finding the Fourth Proportional to 236,586.84, 354,888.18 and 76,658.28
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Solution
The fourth proportional to 236,586.84, 354,888.18 and 76,658.28 is: 114,989.99
Step by Step Solution
- Step 1: Write the proportion equation
236,586.84 : 354,888.18 = 76,658.28 : x - Step 2: Convert to fraction form
236,586.84/354,888.18 = 76,658.28/x - Step 3: Cross multiply
236,586.84x = 354,888.18 × 76,658.28 - Step 4: Simplify right side
236,586.84x = 27,205,117,471.13 - Step 5: Solve for x
x = 27,205,117,471.13/236,586.84 - Step 6: Final answer
x = 114,989.99
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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.