Finding the Fourth Proportional to 402,591.75, 555,576.62 and 232,836.81
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Solution
The fourth proportional to 402,591.75, 555,576.62 and 232,836.81 is: 321,314.80
Step by Step Solution
- Step 1: Write the proportion equation
402,591.75 : 555,576.62 = 232,836.81 : x - Step 2: Convert to fraction form
402,591.75/555,576.62 = 232,836.81/x - Step 3: Cross multiply
402,591.75x = 555,576.62 × 232,836.81 - Step 4: Simplify right side
402,591.75x = 129,358,686,747.20 - Step 5: Solve for x
x = 129,358,686,747.20/402,591.75 - Step 6: Final answer
x = 321,314.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.