Finding the Fourth Proportional to 322,723.08, 445,354.74 and 179,476.20
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Solution
The fourth proportional to 322,723.08, 445,354.74 and 179,476.20 is: 247,675.43
Step by Step Solution
- Step 1: Write the proportion equation
322,723.08 : 445,354.74 = 179,476.20 : x - Step 2: Convert to fraction form
322,723.08/445,354.74 = 179,476.20/x - Step 3: Cross multiply
322,723.08x = 445,354.74 × 179,476.20 - Step 4: Simplify right side
322,723.08x = 79,930,576,387.19 - Step 5: Solve for x
x = 79,930,576,387.19/322,723.08 - Step 6: Final answer
x = 247,675.43
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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.