Finding the Fourth Proportional to 286,623.99, 395,538.26 and 159,296.85
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Solution
The fourth proportional to 286,623.99, 395,538.26 and 159,296.85 is: 219,828.07
Step by Step Solution
- Step 1: Write the proportion equation
286,623.99 : 395,538.26 = 159,296.85 : x - Step 2: Convert to fraction form
286,623.99/395,538.26 = 159,296.85/x - Step 3: Cross multiply
286,623.99x = 395,538.26 × 159,296.85 - Step 4: Simplify right side
286,623.99x = 63,007,998,076.00 - Step 5: Solve for x
x = 63,007,998,076.00/286,623.99 - Step 6: Final answer
x = 219,828.07
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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.