Finding the Fourth Proportional to 299,845.95, 413,796.97 and 163,876.98
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Solution
The fourth proportional to 299,845.95, 413,796.97 and 163,876.98 is: 226,155.45
Step by Step Solution
- Step 1: Write the proportion equation
299,845.95 : 413,796.97 = 163,876.98 : x - Step 2: Convert to fraction form
299,845.95/413,796.97 = 163,876.98/x - Step 3: Cross multiply
299,845.95x = 413,796.97 × 163,876.98 - Step 4: Simplify right side
299,845.95x = 67,811,796,230.89 - Step 5: Solve for x
x = 67,811,796,230.89/299,845.95 - Step 6: Final answer
x = 226,155.45
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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.