Finding the Fourth Proportional to 299,660.29, 413,543.77 and 172,335.99
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Solution
The fourth proportional to 299,660.29, 413,543.77 and 172,335.99 is: 237,830.89
Step by Step Solution
- Step 1: Write the proportion equation
299,660.29 : 413,543.77 = 172,335.99 : x - Step 2: Convert to fraction form
299,660.29/413,543.77 = 172,335.99/x - Step 3: Cross multiply
299,660.29x = 413,543.77 × 172,335.99 - Step 4: Simplify right side
299,660.29x = 71,268,473,999.04 - Step 5: Solve for x
x = 71,268,473,999.04/299,660.29 - Step 6: Final answer
x = 237,830.89
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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.