Finding the Fourth Proportional to 186,143.95, 279,215.97 and 130,093.53
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Solution
The fourth proportional to 186,143.95, 279,215.97 and 130,093.53 is: 195,140.33
Step by Step Solution
- Step 1: Write the proportion equation
186,143.95 : 279,215.97 = 130,093.53 : x - Step 2: Convert to fraction form
186,143.95/279,215.97 = 130,093.53/x - Step 3: Cross multiply
186,143.95x = 279,215.97 × 130,093.53 - Step 4: Simplify right side
186,143.95x = 36,324,191,169.67 - Step 5: Solve for x
x = 36,324,191,169.67/186,143.95 - Step 6: Final answer
x = 195,140.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.