Finding the Fourth Proportional to 186,290.25, 257,080.58 and 101,407.95
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Solution
The fourth proportional to 186,290.25, 257,080.58 and 101,407.95 is: 139,942.99
Step by Step Solution
- Step 1: Write the proportion equation
186,290.25 : 257,080.58 = 101,407.95 : x - Step 2: Convert to fraction form
186,290.25/257,080.58 = 101,407.95/x - Step 3: Cross multiply
186,290.25x = 257,080.58 × 101,407.95 - Step 4: Simplify right side
186,290.25x = 26,070,014,095.57 - Step 5: Solve for x
x = 26,070,014,095.57/186,290.25 - Step 6: Final answer
x = 139,942.99
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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.