Finding the Fourth Proportional to 288,147.66, 397,679.67 and 167,262.99
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Solution
The fourth proportional to 288,147.66, 397,679.67 and 167,262.99 is: 230,843.76
Step by Step Solution
- Step 1: Write the proportion equation
288,147.66 : 397,679.67 = 167,262.99 : x - Step 2: Convert to fraction form
288,147.66/397,679.67 = 167,262.99/x - Step 3: Cross multiply
288,147.66x = 397,679.67 × 167,262.99 - Step 4: Simplify right side
288,147.66x = 66,517,090,666.41 - Step 5: Solve for x
x = 66,517,090,666.41/288,147.66 - Step 6: Final answer
x = 230,843.76
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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.