Finding the Fourth Proportional to 416,628.69, 574,982.99 and 235,373.88
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Solution
The fourth proportional to 416,628.69, 574,982.99 and 235,373.88 is: 324,835.95
Step by Step Solution
- Step 1: Write the proportion equation
416,628.69 : 574,982.99 = 235,373.88 : x - Step 2: Convert to fraction form
416,628.69/574,982.99 = 235,373.88/x - Step 3: Cross multiply
416,628.69x = 574,982.99 × 235,373.88 - Step 4: Simplify right side
416,628.69x = 135,335,976,113.43 - Step 5: Solve for x
x = 135,335,976,113.43/416,628.69 - Step 6: Final answer
x = 324,835.95
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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.