Finding the Fourth Proportional to 154,619.84, 213,505.38 and 116,312.99
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Solution
The fourth proportional to 154,619.84, 213,505.38 and 116,312.99 is: 160,609.72
Step by Step Solution
- Step 1: Write the proportion equation
154,619.84 : 213,505.38 = 116,312.99 : x - Step 2: Convert to fraction form
154,619.84/213,505.38 = 116,312.99/x - Step 3: Cross multiply
154,619.84x = 213,505.38 × 116,312.99 - Step 4: Simplify right side
154,619.84x = 24,833,448,061.36 - Step 5: Solve for x
x = 24,833,448,061.36/154,619.84 - Step 6: Final answer
x = 160,609.72
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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.