Finding the Fourth Proportional to 156,946.44, 235,394.82 and 68,176.14
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Solution
The fourth proportional to 156,946.44, 235,394.82 and 68,176.14 is: 102,253.42
Step by Step Solution
- Step 1: Write the proportion equation
156,946.44 : 235,394.82 = 68,176.14 : x - Step 2: Convert to fraction form
156,946.44/235,394.82 = 68,176.14/x - Step 3: Cross multiply
156,946.44x = 235,394.82 × 68,176.14 - Step 4: Simplify right side
156,946.44x = 16,048,310,203.59 - Step 5: Solve for x
x = 16,048,310,203.59/156,946.44 - Step 6: Final answer
x = 102,253.42
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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.