Finding the Fourth Proportional to 186,290.96, 257,074.98 and 101,406.20
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Solution
The fourth proportional to 186,290.96, 257,074.98 and 101,406.20 is: 139,936.99
Step by Step Solution
- Step 1: Write the proportion equation
186,290.96 : 257,074.98 = 101,406.20 : x - Step 2: Convert to fraction form
186,290.96/257,074.98 = 101,406.20/x - Step 3: Cross multiply
186,290.96x = 257,074.98 × 101,406.20 - Step 4: Simplify right side
186,290.96x = 26,068,996,836.88 - Step 5: Solve for x
x = 26,068,996,836.88/186,290.96 - Step 6: Final answer
x = 139,936.99
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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.