Finding the Fourth Proportional to 299,490.08, 413,293.18 and 163,523.60
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Solution
The fourth proportional to 299,490.08, 413,293.18 and 163,523.60 is: 225,660.86
Step by Step Solution
- Step 1: Write the proportion equation
299,490.08 : 413,293.18 = 163,523.60 : x - Step 2: Convert to fraction form
299,490.08/413,293.18 = 163,523.60/x - Step 3: Cross multiply
299,490.08x = 413,293.18 × 163,523.60 - Step 4: Simplify right side
299,490.08x = 67,583,188,649.05 - Step 5: Solve for x
x = 67,583,188,649.05/299,490.08 - Step 6: Final answer
x = 225,660.86
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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.