Finding the Fourth Proportional to 186,729.33, 257,685.27 and 106,156.88
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Solution
The fourth proportional to 186,729.33, 257,685.27 and 106,156.88 is: 146,495.80
Step by Step Solution
- Step 1: Write the proportion equation
186,729.33 : 257,685.27 = 106,156.88 : x - Step 2: Convert to fraction form
186,729.33/257,685.27 = 106,156.88/x - Step 3: Cross multiply
186,729.33x = 257,685.27 × 106,156.88 - Step 4: Simplify right side
186,729.33x = 27,355,063,564.96 - Step 5: Solve for x
x = 27,355,063,564.96/186,729.33 - Step 6: Final answer
x = 146,495.80
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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.