Finding the Fourth Proportional to 299,660.39, 413,543.90 and 172,336.08
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Solution
The fourth proportional to 299,660.39, 413,543.90 and 172,336.08 is: 237,831.02
Step by Step Solution
- Step 1: Write the proportion equation
299,660.39 : 413,543.90 = 172,336.08 : x - Step 2: Convert to fraction form
299,660.39/413,543.90 = 172,336.08/x - Step 3: Cross multiply
299,660.39x = 413,543.90 × 172,336.08 - Step 4: Simplify right side
299,660.39x = 71,268,535,064.75 - Step 5: Solve for x
x = 71,268,535,064.75/299,660.39 - Step 6: Final answer
x = 237,831.02
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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.