Finding the Fourth Proportional to 186,309.10, 257,102.49 and 108,798.06
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Solution
The fourth proportional to 186,309.10, 257,102.49 and 108,798.06 is: 150,138.95
Step by Step Solution
- Step 1: Write the proportion equation
186,309.10 : 257,102.49 = 108,798.06 : x - Step 2: Convert to fraction form
186,309.10/257,102.49 = 108,798.06/x - Step 3: Cross multiply
186,309.10x = 257,102.49 × 108,798.06 - Step 4: Simplify right side
186,309.10x = 27,972,252,133.17 - Step 5: Solve for x
x = 27,972,252,133.17/186,309.10 - Step 6: Final answer
x = 150,138.95
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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.