Finding the Fourth Proportional to 186,918.83, 257,944.66 and 106,344.62
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Solution
The fourth proportional to 186,918.83, 257,944.66 and 106,344.62 is: 146,753.68
Step by Step Solution
- Step 1: Write the proportion equation
186,918.83 : 257,944.66 = 106,344.62 : x - Step 2: Convert to fraction form
186,918.83/257,944.66 = 106,344.62/x - Step 3: Cross multiply
186,918.83x = 257,944.66 × 106,344.62 - Step 4: Simplify right side
186,918.83x = 27,431,026,848.73 - Step 5: Solve for x
x = 27,431,026,848.73/186,918.83 - Step 6: Final answer
x = 146,753.68
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1.5x scale
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.