Finding the Fourth Proportional to 472,428.28, 708,268.20 and 235,649.08
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Solution
The fourth proportional to 472,428.28, 708,268.20 and 235,649.08 is: 353,286.96
Step by Step Solution
- Step 1: Write the proportion equation
472,428.28 : 708,268.20 = 235,649.08 : x - Step 2: Convert to fraction form
472,428.28/708,268.20 = 235,649.08/x - Step 3: Cross multiply
472,428.28x = 708,268.20 × 235,649.08 - Step 4: Simplify right side
472,428.28x = 166,902,749,723.26 - Step 5: Solve for x
x = 166,902,749,723.26/472,428.28 - Step 6: Final answer
x = 353,286.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.