Finding the Fourth Proportional to 299,170.30, 412,855.01 and 163,204.79
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Solution
The fourth proportional to 299,170.30, 412,855.01 and 163,204.79 is: 225,222.61
Step by Step Solution
- Step 1: Write the proportion equation
299,170.30 : 412,855.01 = 163,204.79 : x - Step 2: Convert to fraction form
299,170.30/412,855.01 = 163,204.79/x - Step 3: Cross multiply
299,170.30x = 412,855.01 × 163,204.79 - Step 4: Simplify right side
299,170.30x = 67,379,914,391.47 - Step 5: Solve for x
x = 67,379,914,391.47/299,170.30 - Step 6: Final answer
x = 225,222.61
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1.5x scale
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.