Finding the Fourth Proportional to 302,948.94, 418,067.45 and 166,982.99
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Solution
The fourth proportional to 302,948.94, 418,067.45 and 166,982.99 is: 230,435.38
Step by Step Solution
- Step 1: Write the proportion equation
302,948.94 : 418,067.45 = 166,982.99 : x - Step 2: Convert to fraction form
302,948.94/418,067.45 = 166,982.99/x - Step 3: Cross multiply
302,948.94x = 418,067.45 × 166,982.99 - Step 4: Simplify right side
302,948.94x = 69,810,154,520.69 - Step 5: Solve for x
x = 69,810,154,520.69/302,948.94 - Step 6: Final answer
x = 230,435.38
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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.