Finding the Fourth Proportional to 305,535.24, 457,639.47 and 186,846.75
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Solution
The fourth proportional to 305,535.24, 457,639.47 and 186,846.75 is: 279,864.44
Step by Step Solution
- Step 1: Write the proportion equation
305,535.24 : 457,639.47 = 186,846.75 : x - Step 2: Convert to fraction form
305,535.24/457,639.47 = 186,846.75/x - Step 3: Cross multiply
305,535.24x = 457,639.47 × 186,846.75 - Step 4: Simplify right side
305,535.24x = 85,508,447,641.22 - Step 5: Solve for x
x = 85,508,447,641.22/305,535.24 - Step 6: Final answer
x = 279,864.44
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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.