Finding the Fourth Proportional to 170,807.09, 235,812.15 and 113,524.08
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Solution
The fourth proportional to 170,807.09, 235,812.15 and 113,524.08 is: 156,728.61
Step by Step Solution
- Step 1: Write the proportion equation
170,807.09 : 235,812.15 = 113,524.08 : x - Step 2: Convert to fraction form
170,807.09/235,812.15 = 113,524.08/x - Step 3: Cross multiply
170,807.09x = 235,812.15 × 113,524.08 - Step 4: Simplify right side
170,807.09x = 26,770,357,381.57 - Step 5: Solve for x
x = 26,770,357,381.57/170,807.09 - Step 6: Final answer
x = 156,728.61
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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.