Finding the Fourth Proportional to 186,820.96, 257,818.61 and 106,260.08
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Solution
The fourth proportional to 186,820.96, 257,818.61 and 106,260.08 is: 146,642.14
Step by Step Solution
- Step 1: Write the proportion equation
186,820.96 : 257,818.61 = 106,260.08 : x - Step 2: Convert to fraction form
186,820.96/257,818.61 = 106,260.08/x - Step 3: Cross multiply
186,820.96x = 257,818.61 × 106,260.08 - Step 4: Simplify right side
186,820.96x = 27,395,826,124.09 - Step 5: Solve for x
x = 27,395,826,124.09/186,820.96 - Step 6: Final answer
x = 146,642.14
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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.