Finding the Fourth Proportional to 156,940.20, 235,464.98 and 68,257.35
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Solution
The fourth proportional to 156,940.20, 235,464.98 and 68,257.35 is: 102,409.80
Step by Step Solution
- Step 1: Write the proportion equation
156,940.20 : 235,464.98 = 68,257.35 : x - Step 2: Convert to fraction form
156,940.20/235,464.98 = 68,257.35/x - Step 3: Cross multiply
156,940.20x = 235,464.98 × 68,257.35 - Step 4: Simplify right side
156,940.20x = 16,072,215,211.32 - Step 5: Solve for x
x = 16,072,215,211.32/156,940.20 - Step 6: Final answer
x = 102,409.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.