Finding the Fourth Proportional to 320,277.05, 441,963.33 and 177,028.55
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Solution
The fourth proportional to 320,277.05, 441,963.33 and 177,028.55 is: 244,288.90
Step by Step Solution
- Step 1: Write the proportion equation
320,277.05 : 441,963.33 = 177,028.55 : x - Step 2: Convert to fraction form
320,277.05/441,963.33 = 177,028.55/x - Step 3: Cross multiply
320,277.05x = 441,963.33 × 177,028.55 - Step 4: Simplify right side
320,277.05x = 78,240,127,463.07 - Step 5: Solve for x
x = 78,240,127,463.07/320,277.05 - Step 6: Final answer
x = 244,288.90
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1.5x scale
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.