Finding the Fourth Proportional to 186,502.98, 257,374.16 and 101,620.05
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Solution
The fourth proportional to 186,502.98, 257,374.16 and 101,620.05 is: 140,235.69
Step by Step Solution
- Step 1: Write the proportion equation
186,502.98 : 257,374.16 = 101,620.05 : x - Step 2: Convert to fraction form
186,502.98/257,374.16 = 101,620.05/x - Step 3: Cross multiply
186,502.98x = 257,374.16 × 101,620.05 - Step 4: Simplify right side
186,502.98x = 26,154,375,007.91 - Step 5: Solve for x
x = 26,154,375,007.91/186,502.98 - Step 6: Final answer
x = 140,235.69
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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.