Finding the Fourth Proportional to 163,649.85, 245,472.29 and 73,628.99
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Solution
The fourth proportional to 163,649.85, 245,472.29 and 73,628.99 is: 110,442.36
Step by Step Solution
- Step 1: Write the proportion equation
163,649.85 : 245,472.29 = 73,628.99 : x - Step 2: Convert to fraction form
163,649.85/245,472.29 = 73,628.99/x - Step 3: Cross multiply
163,649.85x = 245,472.29 × 73,628.99 - Step 4: Simplify right side
163,649.85x = 18,073,875,190.18 - Step 5: Solve for x
x = 18,073,875,190.18/163,649.85 - Step 6: Final answer
x = 110,442.36
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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.