Finding the Fourth Proportional to 218,595.36, 301,677.03 and 121,805.63
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Solution
The fourth proportional to 218,595.36, 301,677.03 and 121,805.63 is: 168,100.37
Step by Step Solution
- Step 1: Write the proportion equation
218,595.36 : 301,677.03 = 121,805.63 : x - Step 2: Convert to fraction form
218,595.36/301,677.03 = 121,805.63/x - Step 3: Cross multiply
218,595.36x = 301,677.03 × 121,805.63 - Step 4: Simplify right side
218,595.36x = 36,745,960,695.68 - Step 5: Solve for x
x = 36,745,960,695.68/218,595.36 - Step 6: Final answer
x = 168,100.37
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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.