Finding the Fourth Proportional to 299,611.68, 413,467.25 and 163,649.54
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Solution
The fourth proportional to 299,611.68, 413,467.25 and 163,649.54 is: 225,838.07
Step by Step Solution
- Step 1: Write the proportion equation
299,611.68 : 413,467.25 = 163,649.54 : x - Step 2: Convert to fraction form
299,611.68/413,467.25 = 163,649.54/x - Step 3: Cross multiply
299,611.68x = 413,467.25 × 163,649.54 - Step 4: Simplify right side
299,611.68x = 67,663,722,381.98 - Step 5: Solve for x
x = 67,663,722,381.98/299,611.68 - Step 6: Final answer
x = 225,838.07
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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.