Finding the Fourth Proportional to 178,191.08, 245,903.67 and 106,571.09
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Solution
The fourth proportional to 178,191.08, 245,903.67 and 106,571.09 is: 147,068.09
Step by Step Solution
- Step 1: Write the proportion equation
178,191.08 : 245,903.67 = 106,571.09 : x - Step 2: Convert to fraction form
178,191.08/245,903.67 = 106,571.09/x - Step 3: Cross multiply
178,191.08x = 245,903.67 × 106,571.09 - Step 4: Simplify right side
178,191.08x = 26,206,222,146.90 - Step 5: Solve for x
x = 26,206,222,146.90/178,191.08 - Step 6: Final answer
x = 147,068.09
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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.