Finding the Fourth Proportional to 156,471.58, 234,682.56 and 49,841.70
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Solution
The fourth proportional to 156,471.58, 234,682.56 and 49,841.70 is: 74,754.65
Step by Step Solution
- Step 1: Write the proportion equation
156,471.58 : 234,682.56 = 49,841.70 : x - Step 2: Convert to fraction form
156,471.58/234,682.56 = 49,841.70/x - Step 3: Cross multiply
156,471.58x = 234,682.56 × 49,841.70 - Step 4: Simplify right side
156,471.58x = 11,696,977,750.75 - Step 5: Solve for x
x = 11,696,977,750.75/156,471.58 - Step 6: Final answer
x = 74,754.65
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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.