Finding the Fourth Proportional to 464,902.12, 697,349.94 and 132,478.12
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Solution
The fourth proportional to 464,902.12, 697,349.94 and 132,478.12 is: 198,716.26
Step by Step Solution
- Step 1: Write the proportion equation
464,902.12 : 697,349.94 = 132,478.12 : x - Step 2: Convert to fraction form
464,902.12/697,349.94 = 132,478.12/x - Step 3: Cross multiply
464,902.12x = 697,349.94 × 132,478.12 - Step 4: Simplify right side
464,902.12x = 92,383,609,033.31 - Step 5: Solve for x
x = 92,383,609,033.31/464,902.12 - Step 6: Final answer
x = 198,716.26
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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.