Finding the Fourth Proportional to 186,270.19, 257,051.55 and 101,387.26
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Solution
The fourth proportional to 186,270.19, 257,051.55 and 101,387.26 is: 139,913.70
Step by Step Solution
- Step 1: Write the proportion equation
186,270.19 : 257,051.55 = 101,387.26 : x - Step 2: Convert to fraction form
186,270.19/257,051.55 = 101,387.26/x - Step 3: Cross multiply
186,270.19x = 257,051.55 × 101,387.26 - Step 4: Simplify right side
186,270.19x = 26,061,752,333.25 - Step 5: Solve for x
x = 26,061,752,333.25/186,270.19 - Step 6: Final answer
x = 139,913.70
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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.