Finding the Fourth Proportional to 383,084.91, 574,430.49 and 205,741.08
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Solution
The fourth proportional to 383,084.91, 574,430.49 and 205,741.08 is: 308,505.89
Step by Step Solution
- Step 1: Write the proportion equation
383,084.91 : 574,430.49 = 205,741.08 : x - Step 2: Convert to fraction form
383,084.91/574,430.49 = 205,741.08/x - Step 3: Cross multiply
383,084.91x = 574,430.49 × 205,741.08 - Step 4: Simplify right side
383,084.91x = 118,183,949,397.53 - Step 5: Solve for x
x = 118,183,949,397.53/383,084.91 - Step 6: Final answer
x = 308,505.89
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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.