Finding the Fourth Proportional to 269,318.45, 403,853.47 and 79,711.02
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Solution
The fourth proportional to 269,318.45, 403,853.47 and 79,711.02 is: 119,529.77
Step by Step Solution
- Step 1: Write the proportion equation
269,318.45 : 403,853.47 = 79,711.02 : x - Step 2: Convert to fraction form
269,318.45/403,853.47 = 79,711.02/x - Step 3: Cross multiply
269,318.45x = 403,853.47 × 79,711.02 - Step 4: Simplify right side
269,318.45x = 32,191,571,824.96 - Step 5: Solve for x
x = 32,191,571,824.96/269,318.45 - Step 6: Final answer
x = 119,529.77
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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.