Finding the Fourth Proportional to 186,278.64, 279,420.52 and 53,158.84
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Solution
The fourth proportional to 186,278.64, 279,420.52 and 53,158.84 is: 79,738.99
Step by Step Solution
- Step 1: Write the proportion equation
186,278.64 : 279,420.52 = 53,158.84 : x - Step 2: Convert to fraction form
186,278.64/279,420.52 = 53,158.84/x - Step 3: Cross multiply
186,278.64x = 279,420.52 × 53,158.84 - Step 4: Simplify right side
186,278.64x = 14,853,670,715.40 - Step 5: Solve for x
x = 14,853,670,715.40/186,278.64 - Step 6: Final answer
x = 79,738.99
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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.