Finding the Fourth Proportional to 236,563.74, 326,272.86 and 151,688.70
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Solution
The fourth proportional to 236,563.74, 326,272.86 and 151,688.70 is: 209,211.72
Step by Step Solution
- Step 1: Write the proportion equation
236,563.74 : 326,272.86 = 151,688.70 : x - Step 2: Convert to fraction form
236,563.74/326,272.86 = 151,688.70/x - Step 3: Cross multiply
236,563.74x = 326,272.86 × 151,688.70 - Step 4: Simplify right side
236,563.74x = 49,491,905,978.68 - Step 5: Solve for x
x = 49,491,905,978.68/236,563.74 - Step 6: Final answer
x = 209,211.72
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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.