Finding the Fourth Proportional to 305,115.28, 457,703.25 and 113,041.09
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Solution
The fourth proportional to 305,115.28, 457,703.25 and 113,041.09 is: 169,572.87
Step by Step Solution
- Step 1: Write the proportion equation
305,115.28 : 457,703.25 = 113,041.09 : x - Step 2: Convert to fraction form
305,115.28/457,703.25 = 113,041.09/x - Step 3: Cross multiply
305,115.28x = 457,703.25 × 113,041.09 - Step 4: Simplify right side
305,115.28x = 51,739,274,276.54 - Step 5: Solve for x
x = 51,739,274,276.54/305,115.28 - Step 6: Final answer
x = 169,572.87
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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.