Finding the Fourth Proportional to 426,939.18, 589,177.92 and 233,350.80
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Solution
The fourth proportional to 426,939.18, 589,177.92 and 233,350.80 is: 322,025.12
Step by Step Solution
- Step 1: Write the proportion equation
426,939.18 : 589,177.92 = 233,350.80 : x - Step 2: Convert to fraction form
426,939.18/589,177.92 = 233,350.80/x - Step 3: Cross multiply
426,939.18x = 589,177.92 × 233,350.80 - Step 4: Simplify right side
426,939.18x = 137,485,138,974.34 - Step 5: Solve for x
x = 137,485,138,974.34/426,939.18 - Step 6: Final answer
x = 322,025.12
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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.