Finding the Fourth Proportional to 186,564.84, 257,198.64 and 157,768.82
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Solution
The fourth proportional to 186,564.84, 257,198.64 and 157,768.82 is: 217,500.39
Step by Step Solution
- Step 1: Write the proportion equation
186,564.84 : 257,198.64 = 157,768.82 : x - Step 2: Convert to fraction form
186,564.84/257,198.64 = 157,768.82/x - Step 3: Cross multiply
186,564.84x = 257,198.64 × 157,768.82 - Step 4: Simplify right side
186,564.84x = 40,577,925,938.40 - Step 5: Solve for x
x = 40,577,925,938.40/186,564.84 - Step 6: Final answer
x = 217,500.39
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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.