Finding the Fourth Proportional to 275,455.99, 380,148.10 and 152,954.70
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Solution
The fourth proportional to 275,455.99, 380,148.10 and 152,954.70 is: 211,087.94
Step by Step Solution
- Step 1: Write the proportion equation
275,455.99 : 380,148.10 = 152,954.70 : x - Step 2: Convert to fraction form
275,455.99/380,148.10 = 152,954.70/x - Step 3: Cross multiply
275,455.99x = 380,148.10 × 152,954.70 - Step 4: Simplify right side
275,455.99x = 58,145,438,591.07 - Step 5: Solve for x
x = 58,145,438,591.07/275,455.99 - Step 6: Final answer
x = 211,087.94
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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.