Finding the Fourth Proportional to 186,563.91, 257,465.08 and 106,005.08
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Solution
The fourth proportional to 186,563.91, 257,465.08 and 106,005.08 is: 146,290.92
Step by Step Solution
- Step 1: Write the proportion equation
186,563.91 : 257,465.08 = 106,005.08 : x - Step 2: Convert to fraction form
186,563.91/257,465.08 = 106,005.08/x - Step 3: Cross multiply
186,563.91x = 257,465.08 × 106,005.08 - Step 4: Simplify right side
186,563.91x = 27,292,605,134.26 - Step 5: Solve for x
x = 27,292,605,134.26/186,563.91 - Step 6: Final answer
x = 146,290.92
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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.