Finding the Fourth Proportional to 367,477.12, 507,147.84 and 206,342.88
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Solution
The fourth proportional to 367,477.12, 507,147.84 and 206,342.88 is: 284,769.69
Step by Step Solution
- Step 1: Write the proportion equation
367,477.12 : 507,147.84 = 206,342.88 : x - Step 2: Convert to fraction form
367,477.12/507,147.84 = 206,342.88/x - Step 3: Cross multiply
367,477.12x = 507,147.84 × 206,342.88 - Step 4: Simplify right side
367,477.12x = 104,646,345,891.38 - Step 5: Solve for x
x = 104,646,345,891.38/367,477.12 - Step 6: Final answer
x = 284,769.69
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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.