Finding the Fourth Proportional to 299,260.74, 412,989.77 and 163,302.14
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Solution
The fourth proportional to 299,260.74, 412,989.77 and 163,302.14 is: 225,362.39
Step by Step Solution
- Step 1: Write the proportion equation
299,260.74 : 412,989.77 = 163,302.14 : x - Step 2: Convert to fraction form
299,260.74/412,989.77 = 163,302.14/x - Step 3: Cross multiply
299,260.74x = 412,989.77 × 163,302.14 - Step 4: Simplify right side
299,260.74x = 67,442,114,679.84 - Step 5: Solve for x
x = 67,442,114,679.84/299,260.74 - Step 6: Final answer
x = 225,362.39
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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.