Finding the Fourth Proportional to 170,622.24, 235,457.98 and 94,146.09
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Solution
The fourth proportional to 170,622.24, 235,457.98 and 94,146.09 is: 129,921.21
Step by Step Solution
- Step 1: Write the proportion equation
170,622.24 : 235,457.98 = 94,146.09 : x - Step 2: Convert to fraction form
170,622.24/235,457.98 = 94,146.09/x - Step 3: Cross multiply
170,622.24x = 235,457.98 × 94,146.09 - Step 4: Simplify right side
170,622.24x = 22,167,448,176.30 - Step 5: Solve for x
x = 22,167,448,176.30/170,622.24 - Step 6: Final answer
x = 129,921.21
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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.