Finding the Fourth Proportional to 151,493.53, 209,051.68 and 83,506.99
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Solution
The fourth proportional to 151,493.53, 209,051.68 and 83,506.99 is: 115,234.47
Step by Step Solution
- Step 1: Write the proportion equation
151,493.53 : 209,051.68 = 83,506.99 : x - Step 2: Convert to fraction form
151,493.53/209,051.68 = 83,506.99/x - Step 3: Cross multiply
151,493.53x = 209,051.68 × 83,506.99 - Step 4: Simplify right side
151,493.53x = 17,457,276,551.24 - Step 5: Solve for x
x = 17,457,276,551.24/151,493.53 - Step 6: Final answer
x = 115,234.47
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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.