Finding the Fourth Proportional to 413,858.18, 620,656.04 and 177,137.30
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Solution
The fourth proportional to 413,858.18, 620,656.04 and 177,137.30 is: 265,649.78
Step by Step Solution
- Step 1: Write the proportion equation
413,858.18 : 620,656.04 = 177,137.30 : x - Step 2: Convert to fraction form
413,858.18/620,656.04 = 177,137.30/x - Step 3: Cross multiply
413,858.18x = 620,656.04 × 177,137.30 - Step 4: Simplify right side
413,858.18x = 109,941,337,148.78 - Step 5: Solve for x
x = 109,941,337,148.78/413,858.18 - Step 6: Final answer
x = 265,649.78
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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.