Finding the Fourth Proportional to 112,593.22, 155,199.99 and 88,682.02
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Solution
The fourth proportional to 112,593.22, 155,199.99 and 88,682.02 is: 122,240.47
Step by Step Solution
- Step 1: Write the proportion equation
112,593.22 : 155,199.99 = 88,682.02 : x - Step 2: Convert to fraction form
112,593.22/155,199.99 = 88,682.02/x - Step 3: Cross multiply
112,593.22x = 155,199.99 × 88,682.02 - Step 4: Simplify right side
112,593.22x = 13,763,448,617.18 - Step 5: Solve for x
x = 13,763,448,617.18/112,593.22 - Step 6: Final answer
x = 122,240.47
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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.