Finding the Fourth Proportional to 186,602.36, 257,352.78 and 157,672.46
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Solution
The fourth proportional to 186,602.36, 257,352.78 and 157,672.46 is: 217,454.09
Step by Step Solution
- Step 1: Write the proportion equation
186,602.36 : 257,352.78 = 157,672.46 : x - Step 2: Convert to fraction form
186,602.36/257,352.78 = 157,672.46/x - Step 3: Cross multiply
186,602.36x = 257,352.78 × 157,672.46 - Step 4: Simplify right side
186,602.36x = 40,577,445,910.44 - Step 5: Solve for x
x = 40,577,445,910.44/186,602.36 - Step 6: Final answer
x = 217,454.09
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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.