Finding the Fourth Proportional to 218,066.74, 300,887.99 and 127,405.19
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Solution
The fourth proportional to 218,066.74, 300,887.99 and 127,405.19 is: 175,793.39
Step by Step Solution
- Step 1: Write the proportion equation
218,066.74 : 300,887.99 = 127,405.19 : x - Step 2: Convert to fraction form
218,066.74/300,887.99 = 127,405.19/x - Step 3: Cross multiply
218,066.74x = 300,887.99 × 127,405.19 - Step 4: Simplify right side
218,066.74x = 38,334,691,534.67 - Step 5: Solve for x
x = 38,334,691,534.67/218,066.74 - Step 6: Final answer
x = 175,793.39
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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.