Finding the Fourth Proportional to 186,238.68, 257,010.30 and 101,355.75
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Solution
The fourth proportional to 186,238.68, 257,010.30 and 101,355.75 is: 139,871.44
Step by Step Solution
- Step 1: Write the proportion equation
186,238.68 : 257,010.30 = 101,355.75 : x - Step 2: Convert to fraction form
186,238.68/257,010.30 = 101,355.75/x - Step 3: Cross multiply
186,238.68x = 257,010.30 × 101,355.75 - Step 4: Simplify right side
186,238.68x = 26,049,471,714.23 - Step 5: Solve for x
x = 26,049,471,714.23/186,238.68 - Step 6: Final answer
x = 139,871.44
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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.