Finding the Fourth Proportional to 352,404.36, 528,601.98 and 86,167.08
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Solution
The fourth proportional to 352,404.36, 528,601.98 and 86,167.08 is: 129,249.51
Step by Step Solution
- Step 1: Write the proportion equation
352,404.36 : 528,601.98 = 86,167.08 : x - Step 2: Convert to fraction form
352,404.36/528,601.98 = 86,167.08/x - Step 3: Cross multiply
352,404.36x = 528,601.98 × 86,167.08 - Step 4: Simplify right side
352,404.36x = 45,548,089,098.82 - Step 5: Solve for x
x = 45,548,089,098.82/352,404.36 - Step 6: Final answer
x = 129,249.51
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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.