Finding the Fourth Proportional to 302,123.09, 416,934.66 and 166,162.97
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Solution
The fourth proportional to 302,123.09, 416,934.66 and 166,162.97 is: 229,307.53
Step by Step Solution
- Step 1: Write the proportion equation
302,123.09 : 416,934.66 = 166,162.97 : x - Step 2: Convert to fraction form
302,123.09/416,934.66 = 166,162.97/x - Step 3: Cross multiply
302,123.09x = 416,934.66 × 166,162.97 - Step 4: Simplify right side
302,123.09x = 69,279,099,316.87 - Step 5: Solve for x
x = 69,279,099,316.87/302,123.09 - Step 6: Final answer
x = 229,307.53
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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.