Finding the Fourth Proportional to 177,828.36, 245,492.28 and 137,450.88
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Solution
The fourth proportional to 177,828.36, 245,492.28 and 137,450.88 is: 189,751.12
Step by Step Solution
- Step 1: Write the proportion equation
177,828.36 : 245,492.28 = 137,450.88 : x - Step 2: Convert to fraction form
177,828.36/245,492.28 = 137,450.88/x - Step 3: Cross multiply
177,828.36x = 245,492.28 × 137,450.88 - Step 4: Simplify right side
177,828.36x = 33,743,129,919.21 - Step 5: Solve for x
x = 33,743,129,919.21/177,828.36 - Step 6: Final answer
x = 189,751.12
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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.