Finding the Fourth Proportional to 186,823.56, 257,822.18 and 106,262.68
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Solution
The fourth proportional to 186,823.56, 257,822.18 and 106,262.68 is: 146,645.72
Step by Step Solution
- Step 1: Write the proportion equation
186,823.56 : 257,822.18 = 106,262.68 : x - Step 2: Convert to fraction form
186,823.56/257,822.18 = 106,262.68/x - Step 3: Cross multiply
186,823.56x = 257,822.18 × 106,262.68 - Step 4: Simplify right side
186,823.56x = 27,396,875,810.24 - Step 5: Solve for x
x = 27,396,875,810.24/186,823.56 - Step 6: Final answer
x = 146,645.72
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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.