Finding the Fourth Proportional to 156,948.44, 235,397.82 and 68,178.14
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Solution
The fourth proportional to 156,948.44, 235,397.82 and 68,178.14 is: 102,256.42
Step by Step Solution
- Step 1: Write the proportion equation
156,948.44 : 235,397.82 = 68,178.14 : x - Step 2: Convert to fraction form
156,948.44/235,397.82 = 68,178.14/x - Step 3: Cross multiply
156,948.44x = 235,397.82 × 68,178.14 - Step 4: Simplify right side
156,948.44x = 16,048,985,527.65 - Step 5: Solve for x
x = 16,048,985,527.65/156,948.44 - Step 6: Final answer
x = 102,256.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.