Finding the Fourth Proportional to 170,505.77, 235,292.55 and 94,028.09
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Solution
The fourth proportional to 170,505.77, 235,292.55 and 94,028.09 is: 129,755.78
Step by Step Solution
- Step 1: Write the proportion equation
170,505.77 : 235,292.55 = 94,028.09 : x - Step 2: Convert to fraction form
170,505.77/235,292.55 = 94,028.09/x - Step 3: Cross multiply
170,505.77x = 235,292.55 × 94,028.09 - Step 4: Simplify right side
170,505.77x = 22,124,109,457.20 - Step 5: Solve for x
x = 22,124,109,457.20/170,505.77 - Step 6: Final answer
x = 129,755.78
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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.