Finding the Fourth Proportional to 464,747.80, 697,121.70 and 149,236.60
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Solution
The fourth proportional to 464,747.80, 697,121.70 and 149,236.60 is: 223,854.90
Step by Step Solution
- Step 1: Write the proportion equation
464,747.80 : 697,121.70 = 149,236.60 : x - Step 2: Convert to fraction form
464,747.80/697,121.70 = 149,236.60/x - Step 3: Cross multiply
464,747.80x = 697,121.70 × 149,236.60 - Step 4: Simplify right side
464,747.80x = 104,036,072,294.22 - Step 5: Solve for x
x = 104,036,072,294.22/464,747.80 - Step 6: Final answer
x = 223,854.90
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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.