Finding the Fourth Proportional to 156,917.64, 235,487.61 and 68,197.08
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Solution
The fourth proportional to 156,917.64, 235,487.61 and 68,197.08 is: 102,343.93
Step by Step Solution
- Step 1: Write the proportion equation
156,917.64 : 235,487.61 = 68,197.08 : x - Step 2: Convert to fraction form
156,917.64/235,487.61 = 68,197.08/x - Step 3: Cross multiply
156,917.64x = 235,487.61 × 68,197.08 - Step 4: Simplify right side
156,917.64x = 16,059,567,378.18 - Step 5: Solve for x
x = 16,059,567,378.18/156,917.64 - Step 6: Final answer
x = 102,343.93
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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.