Finding the Fourth Proportional to 247,513.71, 341,540.58 and 138,602.87
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Solution
The fourth proportional to 247,513.71, 341,540.58 and 138,602.87 is: 191,256.09
Step by Step Solution
- Step 1: Write the proportion equation
247,513.71 : 341,540.58 = 138,602.87 : x - Step 2: Convert to fraction form
247,513.71/341,540.58 = 138,602.87/x - Step 3: Cross multiply
247,513.71x = 341,540.58 × 138,602.87 - Step 4: Simplify right side
247,513.71x = 47,338,504,609.46 - Step 5: Solve for x
x = 47,338,504,609.46/247,513.71 - Step 6: Final answer
x = 191,256.09
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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.