Finding the Fourth Proportional to 314,242.21, 433,578.62 and 185,185.99
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Solution
The fourth proportional to 314,242.21, 433,578.62 and 185,185.99 is: 255,512.09
Step by Step Solution
- Step 1: Write the proportion equation
314,242.21 : 433,578.62 = 185,185.99 : x - Step 2: Convert to fraction form
314,242.21/433,578.62 = 185,185.99/x - Step 3: Cross multiply
314,242.21x = 433,578.62 × 185,185.99 - Step 4: Simplify right side
314,242.21x = 80,292,682,893.71 - Step 5: Solve for x
x = 80,292,682,893.71/314,242.21 - Step 6: Final answer
x = 255,512.09
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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.