Finding the Fourth Proportional to 158,430.26, 218,612.97 and 94,744.82
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Solution
The fourth proportional to 158,430.26, 218,612.97 and 94,744.82 is: 130,735.42
Step by Step Solution
- Step 1: Write the proportion equation
158,430.26 : 218,612.97 = 94,744.82 : x - Step 2: Convert to fraction form
158,430.26/218,612.97 = 94,744.82/x - Step 3: Cross multiply
158,430.26x = 218,612.97 × 94,744.82 - Step 4: Simplify right side
158,430.26x = 20,712,446,492.32 - Step 5: Solve for x
x = 20,712,446,492.32/158,430.26 - Step 6: Final answer
x = 130,735.42
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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.