Finding the Fourth Proportional to 154,816.08, 213,691.55 and 101,109.44
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Solution
The fourth proportional to 154,816.08, 213,691.55 and 101,109.44 is: 139,560.64
Step by Step Solution
- Step 1: Write the proportion equation
154,816.08 : 213,691.55 = 101,109.44 : x - Step 2: Convert to fraction form
154,816.08/213,691.55 = 101,109.44/x - Step 3: Cross multiply
154,816.08x = 213,691.55 × 101,109.44 - Step 4: Simplify right side
154,816.08x = 21,606,231,379.23 - Step 5: Solve for x
x = 21,606,231,379.23/154,816.08 - Step 6: Final answer
x = 139,560.64
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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.