Finding the Fourth Proportional to 217,559.84, 326,342.64 and 84,447.68
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Solution
The fourth proportional to 217,559.84, 326,342.64 and 84,447.68 is: 126,672.64
Step by Step Solution
- Step 1: Write the proportion equation
217,559.84 : 326,342.64 = 84,447.68 : x - Step 2: Convert to fraction form
217,559.84/326,342.64 = 84,447.68/x - Step 3: Cross multiply
217,559.84x = 326,342.64 × 84,447.68 - Step 4: Simplify right side
217,559.84x = 27,558,878,833.08 - Step 5: Solve for x
x = 27,558,878,833.08/217,559.84 - Step 6: Final answer
x = 126,672.64
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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.