Finding the Fourth Proportional to 159,738.66, 220,439.34 and 88,118.84
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Solution
The fourth proportional to 159,738.66, 220,439.34 and 88,118.84 is: 121,603.99
Step by Step Solution
- Step 1: Write the proportion equation
159,738.66 : 220,439.34 = 88,118.84 : x - Step 2: Convert to fraction form
159,738.66/220,439.34 = 88,118.84/x - Step 3: Cross multiply
159,738.66x = 220,439.34 × 88,118.84 - Step 4: Simplify right side
159,738.66x = 19,424,858,931.17 - Step 5: Solve for x
x = 19,424,858,931.17/159,738.66 - Step 6: Final answer
x = 121,603.99
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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.