Finding the Fourth Proportional to 186,418.46, 257,257.34 and 101,535.53
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Solution
The fourth proportional to 186,418.46, 257,257.34 and 101,535.53 is: 140,118.95
Step by Step Solution
- Step 1: Write the proportion equation
186,418.46 : 257,257.34 = 101,535.53 : x - Step 2: Convert to fraction form
186,418.46/257,257.34 = 101,535.53/x - Step 3: Cross multiply
186,418.46x = 257,257.34 × 101,535.53 - Step 4: Simplify right side
186,418.46x = 26,120,758,950.08 - Step 5: Solve for x
x = 26,120,758,950.08/186,418.46 - Step 6: Final answer
x = 140,118.95
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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.