Finding the Fourth Proportional to 382,830.75, 574,202.30 and 102,369.87
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Solution
The fourth proportional to 382,830.75, 574,202.30 and 102,369.87 is: 153,543.09
Step by Step Solution
- Step 1: Write the proportion equation
382,830.75 : 574,202.30 = 102,369.87 : x - Step 2: Convert to fraction form
382,830.75/574,202.30 = 102,369.87/x - Step 3: Cross multiply
382,830.75x = 574,202.30 × 102,369.87 - Step 4: Simplify right side
382,830.75x = 58,781,014,804.70 - Step 5: Solve for x
x = 58,781,014,804.70/382,830.75 - Step 6: Final answer
x = 153,543.09
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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.