Finding the Fourth Proportional to 482,022.24, 665,207.76 and 290,998.32
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Solution
The fourth proportional to 482,022.24, 665,207.76 and 290,998.32 is: 401,587.99
Step by Step Solution
- Step 1: Write the proportion equation
482,022.24 : 665,207.76 = 290,998.32 : x - Step 2: Convert to fraction form
482,022.24/665,207.76 = 290,998.32/x - Step 3: Cross multiply
482,022.24x = 665,207.76 × 290,998.32 - Step 4: Simplify right side
482,022.24x = 193,574,340,610.96 - Step 5: Solve for x
x = 193,574,340,610.96/482,022.24 - Step 6: Final answer
x = 401,587.99
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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.