Finding the Fourth Proportional to 186,305.23, 257,102.81 and 101,422.09
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Solution
The fourth proportional to 186,305.23, 257,102.81 and 101,422.09 is: 139,963.35
Step by Step Solution
- Step 1: Write the proportion equation
186,305.23 : 257,102.81 = 101,422.09 : x - Step 2: Convert to fraction form
186,305.23/257,102.81 = 101,422.09/x - Step 3: Cross multiply
186,305.23x = 257,102.81 × 101,422.09 - Step 4: Simplify right side
186,305.23x = 26,075,904,335.07 - Step 5: Solve for x
x = 26,075,904,335.07/186,305.23 - Step 6: Final answer
x = 139,963.35
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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.