Finding the Fourth Proportional to 399,853.62, 599,811.39 and 133,615.05
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Solution
The fourth proportional to 399,853.62, 599,811.39 and 133,615.05 is: 200,432.92
Step by Step Solution
- Step 1: Write the proportion equation
399,853.62 : 599,811.39 = 133,615.05 : x - Step 2: Convert to fraction form
399,853.62/599,811.39 = 133,615.05/x - Step 3: Cross multiply
399,853.62x = 599,811.39 × 133,615.05 - Step 4: Simplify right side
399,853.62x = 80,143,828,865.42 - Step 5: Solve for x
x = 80,143,828,865.42/399,853.62 - Step 6: Final answer
x = 200,432.92
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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.