Finding the Fourth Proportional to 586,178.40, 879,251.12 and 186,843.12
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Solution
The fourth proportional to 586,178.40, 879,251.12 and 186,843.12 is: 280,259.43
Step by Step Solution
- Step 1: Write the proportion equation
586,178.40 : 879,251.12 = 186,843.12 : x - Step 2: Convert to fraction form
586,178.40/879,251.12 = 186,843.12/x - Step 3: Cross multiply
586,178.40x = 879,251.12 × 186,843.12 - Step 4: Simplify right side
586,178.40x = 164,282,022,524.29 - Step 5: Solve for x
x = 164,282,022,524.29/586,178.40 - Step 6: Final answer
x = 280,259.43
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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.