Finding the Fourth Proportional to 431,966.46, 647,905.94 and 116,455.26
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Solution
The fourth proportional to 431,966.46, 647,905.94 and 116,455.26 is: 174,671.09
Step by Step Solution
- Step 1: Write the proportion equation
431,966.46 : 647,905.94 = 116,455.26 : x - Step 2: Convert to fraction form
431,966.46/647,905.94 = 116,455.26/x - Step 3: Cross multiply
431,966.46x = 647,905.94 × 116,455.26 - Step 4: Simplify right side
431,966.46x = 75,452,050,876.44 - Step 5: Solve for x
x = 75,452,050,876.44/431,966.46 - Step 6: Final answer
x = 174,671.09
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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.