Finding the Fourth Proportional to 302,959.49, 418,087.02 and 166,998.68
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Solution
The fourth proportional to 302,959.49, 418,087.02 and 166,998.68 is: 230,459.79
Step by Step Solution
- Step 1: Write the proportion equation
302,959.49 : 418,087.02 = 166,998.68 : x - Step 2: Convert to fraction form
302,959.49/418,087.02 = 166,998.68/x - Step 3: Cross multiply
302,959.49x = 418,087.02 × 166,998.68 - Step 4: Simplify right side
302,959.49x = 69,819,980,465.13 - Step 5: Solve for x
x = 69,819,980,465.13/302,959.49 - Step 6: Final answer
x = 230,459.79
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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.