Finding the Fourth Proportional to 186,921.24, 257,949.96 and 102,038.28
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Solution
The fourth proportional to 186,921.24, 257,949.96 and 102,038.28 is: 140,812.09
Step by Step Solution
- Step 1: Write the proportion equation
186,921.24 : 257,949.96 = 102,038.28 : x - Step 2: Convert to fraction form
186,921.24/257,949.96 = 102,038.28/x - Step 3: Cross multiply
186,921.24x = 257,949.96 × 102,038.28 - Step 4: Simplify right side
186,921.24x = 26,320,770,244.47 - Step 5: Solve for x
x = 26,320,770,244.47/186,921.24 - Step 6: Final answer
x = 140,812.09
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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.