Finding the Fourth Proportional to 186,775.79, 257,751.20 and 101,894.63
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Solution
The fourth proportional to 186,775.79, 257,751.20 and 101,894.63 is: 140,614.92
Step by Step Solution
- Step 1: Write the proportion equation
186,775.79 : 257,751.20 = 101,894.63 : x - Step 2: Convert to fraction form
186,775.79/257,751.20 = 101,894.63/x - Step 3: Cross multiply
186,775.79x = 257,751.20 × 101,894.63 - Step 4: Simplify right side
186,775.79x = 26,263,463,156.06 - Step 5: Solve for x
x = 26,263,463,156.06/186,775.79 - Step 6: Final answer
x = 140,614.92
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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.