Finding the Fourth Proportional to 104,431.30, 156,733.35 and 48,357.70
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Solution
The fourth proportional to 104,431.30, 156,733.35 and 48,357.70 is: 72,576.56
Step by Step Solution
- Step 1: Write the proportion equation
104,431.30 : 156,733.35 = 48,357.70 : x - Step 2: Convert to fraction form
104,431.30/156,733.35 = 48,357.70/x - Step 3: Cross multiply
104,431.30x = 156,733.35 × 48,357.70 - Step 4: Simplify right side
104,431.30x = 7,579,264,319.30 - Step 5: Solve for x
x = 7,579,264,319.30/104,431.30 - Step 6: Final answer
x = 72,576.56
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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.