Finding the Fourth Proportional to 416,620.98, 574,972.35 and 235,366.19
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Solution
The fourth proportional to 416,620.98, 574,972.35 and 235,366.19 is: 324,825.33
Step by Step Solution
- Step 1: Write the proportion equation
416,620.98 : 574,972.35 = 235,366.19 : x - Step 2: Convert to fraction form
416,620.98/574,972.35 = 235,366.19/x - Step 3: Cross multiply
416,620.98x = 574,972.35 × 235,366.19 - Step 4: Simplify right side
416,620.98x = 135,329,048,499.99 - Step 5: Solve for x
x = 135,329,048,499.99/416,620.98 - Step 6: Final answer
x = 324,825.33
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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.