Finding the Fourth Proportional to 169,621.18, 254,252.67 and 129,552.91
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Solution
The fourth proportional to 169,621.18, 254,252.67 and 129,552.91 is: 194,192.56
Step by Step Solution
- Step 1: Write the proportion equation
169,621.18 : 254,252.67 = 129,552.91 : x - Step 2: Convert to fraction form
169,621.18/254,252.67 = 129,552.91/x - Step 3: Cross multiply
169,621.18x = 254,252.67 × 129,552.91 - Step 4: Simplify right side
169,621.18x = 32,939,172,516.68 - Step 5: Solve for x
x = 32,939,172,516.68/169,621.18 - Step 6: Final answer
x = 194,192.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.