Finding the Fourth Proportional to 149,619.36, 206,473.68 and 82,551.52
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Solution
The fourth proportional to 149,619.36, 206,473.68 and 82,551.52 is: 113,920.53
Step by Step Solution
- Step 1: Write the proportion equation
149,619.36 : 206,473.68 = 82,551.52 : x - Step 2: Convert to fraction form
149,619.36/206,473.68 = 82,551.52/x - Step 3: Cross multiply
149,619.36x = 206,473.68 × 82,551.52 - Step 4: Simplify right side
149,619.36x = 17,044,716,123.99 - Step 5: Solve for x
x = 17,044,716,123.99/149,619.36 - Step 6: Final answer
x = 113,920.53
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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.