Finding the Fourth Proportional to 168,024.01, 231,872.44 and 91,542.88
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Solution
The fourth proportional to 168,024.01, 231,872.44 and 91,542.88 is: 126,328.80
Step by Step Solution
- Step 1: Write the proportion equation
168,024.01 : 231,872.44 = 91,542.88 : x - Step 2: Convert to fraction form
168,024.01/231,872.44 = 91,542.88/x - Step 3: Cross multiply
168,024.01x = 231,872.44 × 91,542.88 - Step 4: Simplify right side
168,024.01x = 21,226,270,950.23 - Step 5: Solve for x
x = 21,226,270,950.23/168,024.01 - Step 6: Final answer
x = 126,328.80
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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.