Finding the Fourth Proportional to 218,804.84, 301,950.43 and 118,202.84
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Solution
The fourth proportional to 218,804.84, 301,950.43 and 118,202.84 is: 163,119.79
Step by Step Solution
- Step 1: Write the proportion equation
218,804.84 : 301,950.43 = 118,202.84 : x - Step 2: Convert to fraction form
218,804.84/301,950.43 = 118,202.84/x - Step 3: Cross multiply
218,804.84x = 301,950.43 × 118,202.84 - Step 4: Simplify right side
218,804.84x = 35,691,400,055.64 - Step 5: Solve for x
x = 35,691,400,055.64/218,804.84 - Step 6: Final answer
x = 163,119.79
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1.5x scale
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.