Finding the Fourth Proportional to 413,858.19, 620,656.05 and 177,137.31
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Solution
The fourth proportional to 413,858.19, 620,656.05 and 177,137.31 is: 265,649.79
Step by Step Solution
- Step 1: Write the proportion equation
413,858.19 : 620,656.05 = 177,137.31 : x - Step 2: Convert to fraction form
413,858.19/620,656.05 = 177,137.31/x - Step 3: Cross multiply
413,858.19x = 620,656.05 × 177,137.31 - Step 4: Simplify right side
413,858.19x = 109,941,343,132.23 - Step 5: Solve for x
x = 109,941,343,132.23/413,858.19 - Step 6: Final answer
x = 265,649.79
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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.