Finding the Fourth Proportional to 299,760.99, 413,657.82 and 163,799.60
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Solution
The fourth proportional to 299,760.99, 413,657.82 and 163,799.60 is: 226,036.70
Step by Step Solution
- Step 1: Write the proportion equation
299,760.99 : 413,657.82 = 163,799.60 : x - Step 2: Convert to fraction form
299,760.99/413,657.82 = 163,799.60/x - Step 3: Cross multiply
299,760.99x = 413,657.82 × 163,799.60 - Step 4: Simplify right side
299,760.99x = 67,756,985,452.87 - Step 5: Solve for x
x = 67,756,985,452.87/299,760.99 - Step 6: Final answer
x = 226,036.70
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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.