Finding the Fourth Proportional to 165,934.31, 248,901.60 and 71,102.99
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Solution
The fourth proportional to 165,934.31, 248,901.60 and 71,102.99 is: 106,654.54
Step by Step Solution
- Step 1: Write the proportion equation
165,934.31 : 248,901.60 = 71,102.99 : x - Step 2: Convert to fraction form
165,934.31/248,901.60 = 71,102.99/x - Step 3: Cross multiply
165,934.31x = 248,901.60 × 71,102.99 - Step 4: Simplify right side
165,934.31x = 17,697,646,731.28 - Step 5: Solve for x
x = 17,697,646,731.28/165,934.31 - Step 6: Final answer
x = 106,654.54
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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.