Finding the Fourth Proportional to 476,343.03, 657,350.78 and 261,486.75
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Solution
The fourth proportional to 476,343.03, 657,350.78 and 261,486.75 is: 360,850.28
Step by Step Solution
- Step 1: Write the proportion equation
476,343.03 : 657,350.78 = 261,486.75 : x - Step 2: Convert to fraction form
476,343.03/657,350.78 = 261,486.75/x - Step 3: Cross multiply
476,343.03x = 657,350.78 × 261,486.75 - Step 4: Simplify right side
476,343.03x = 171,888,517,764.73 - Step 5: Solve for x
x = 171,888,517,764.73/476,343.03 - Step 6: Final answer
x = 360,850.28
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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.