Finding the Fourth Proportional to 418,247.23, 627,369.58 and 118,728.07
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Solution
The fourth proportional to 418,247.23, 627,369.58 and 118,728.07 is: 178,091.75
Step by Step Solution
- Step 1: Write the proportion equation
418,247.23 : 627,369.58 = 118,728.07 : x - Step 2: Convert to fraction form
418,247.23/627,369.58 = 118,728.07/x - Step 3: Cross multiply
418,247.23x = 627,369.58 × 118,728.07 - Step 4: Simplify right side
418,247.23x = 74,486,379,410.11 - Step 5: Solve for x
x = 74,486,379,410.11/418,247.23 - Step 6: Final answer
x = 178,091.75
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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.