Finding the Fourth Proportional to 188,546.74, 260,187.84 and 103,663.14
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Solution
The fourth proportional to 188,546.74, 260,187.84 and 103,663.14 is: 143,051.47
Step by Step Solution
- Step 1: Write the proportion equation
188,546.74 : 260,187.84 = 103,663.14 : x - Step 2: Convert to fraction form
188,546.74/260,187.84 = 103,663.14/x - Step 3: Cross multiply
188,546.74x = 260,187.84 × 103,663.14 - Step 4: Simplify right side
188,546.74x = 26,971,888,484.22 - Step 5: Solve for x
x = 26,971,888,484.22/188,546.74 - Step 6: Final answer
x = 143,051.47
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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.