Finding the Fourth Proportional to 438,723.26, 657,664.48 and 185,655.62
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Solution
The fourth proportional to 438,723.26, 657,664.48 and 185,655.62 is: 278,305.53
Step by Step Solution
- Step 1: Write the proportion equation
438,723.26 : 657,664.48 = 185,655.62 : x - Step 2: Convert to fraction form
438,723.26/657,664.48 = 185,655.62/x - Step 3: Cross multiply
438,723.26x = 657,664.48 × 185,655.62 - Step 4: Simplify right side
438,723.26x = 122,099,108,662.61 - Step 5: Solve for x
x = 122,099,108,662.61/438,723.26 - Step 6: Final answer
x = 278,305.53
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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.