Finding the Fourth Proportional to 192,428.36, 265,539.70 and 106,382.19
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Solution
The fourth proportional to 192,428.36, 265,539.70 and 106,382.19 is: 146,801.10
Step by Step Solution
- Step 1: Write the proportion equation
192,428.36 : 265,539.70 = 106,382.19 : x - Step 2: Convert to fraction form
192,428.36/265,539.70 = 106,382.19/x - Step 3: Cross multiply
192,428.36x = 265,539.70 × 106,382.19 - Step 4: Simplify right side
192,428.36x = 28,248,694,817.94 - Step 5: Solve for x
x = 28,248,694,817.94/192,428.36 - Step 6: Final answer
x = 146,801.10
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1.5x scale
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.