Finding the Fourth Proportional to 178,470.16, 246,309.40 and 106,850.12
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Solution
The fourth proportional to 178,470.16, 246,309.40 and 106,850.12 is: 147,465.49
Step by Step Solution
- Step 1: Write the proportion equation
178,470.16 : 246,309.40 = 106,850.12 : x - Step 2: Convert to fraction form
178,470.16/246,309.40 = 106,850.12/x - Step 3: Cross multiply
178,470.16x = 246,309.40 × 106,850.12 - Step 4: Simplify right side
178,470.16x = 26,318,188,947.13 - Step 5: Solve for x
x = 26,318,188,947.13/178,470.16 - Step 6: Final answer
x = 147,465.49
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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.