Finding the Fourth Proportional to 219,701.06, 303,173.11 and 122,888.14
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Solution
The fourth proportional to 219,701.06, 303,173.11 and 122,888.14 is: 169,577.60
Step by Step Solution
- Step 1: Write the proportion equation
219,701.06 : 303,173.11 = 122,888.14 : x - Step 2: Convert to fraction form
219,701.06/303,173.11 = 122,888.14/x - Step 3: Cross multiply
219,701.06x = 303,173.11 × 122,888.14 - Step 4: Simplify right side
219,701.06x = 37,256,378,981.59 - Step 5: Solve for x
x = 37,256,378,981.59/219,701.06 - Step 6: Final answer
x = 169,577.60
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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.