Finding the Fourth Proportional to 685,286.18, 945,706.12 and 375,183.59
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Solution
The fourth proportional to 685,286.18, 945,706.12 and 375,183.59 is: 517,759.48
Step by Step Solution
- Step 1: Write the proportion equation
685,286.18 : 945,706.12 = 375,183.59 : x - Step 2: Convert to fraction form
685,286.18/945,706.12 = 375,183.59/x - Step 3: Cross multiply
685,286.18x = 945,706.12 × 375,183.59 - Step 4: Simplify right side
685,286.18x = 354,813,411,520.08 - Step 5: Solve for x
x = 354,813,411,520.08/685,286.18 - Step 6: Final answer
x = 517,759.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.