Finding the Fourth Proportional to 156,922.44, 216,554.44 and 85,302.68
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Solution
The fourth proportional to 156,922.44, 216,554.44 and 85,302.68 is: 117,718.50
Step by Step Solution
- Step 1: Write the proportion equation
156,922.44 : 216,554.44 = 85,302.68 : x - Step 2: Convert to fraction form
156,922.44/216,554.44 = 85,302.68/x - Step 3: Cross multiply
156,922.44x = 216,554.44 × 85,302.68 - Step 4: Simplify right side
156,922.44x = 18,472,674,097.90 - Step 5: Solve for x
x = 18,472,674,097.90/156,922.44 - Step 6: Final answer
x = 117,718.50
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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.