Finding the Fourth Proportional to 186,908.96, 257,935.20 and 102,027.80
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Solution
The fourth proportional to 186,908.96, 257,935.20 and 102,027.80 is: 140,798.82
Step by Step Solution
- Step 1: Write the proportion equation
186,908.96 : 257,935.20 = 102,027.80 : x - Step 2: Convert to fraction form
186,908.96/257,935.20 = 102,027.80/x - Step 3: Cross multiply
186,908.96x = 257,935.20 × 102,027.80 - Step 4: Simplify right side
186,908.96x = 26,316,560,998.56 - Step 5: Solve for x
x = 26,316,560,998.56/186,908.96 - Step 6: Final answer
x = 140,798.82
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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.