Finding the Fourth Proportional to 242,470.18, 334,619.21 and 135,040.19
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Solution
The fourth proportional to 242,470.18, 334,619.21 and 135,040.19 is: 186,361.23
Step by Step Solution
- Step 1: Write the proportion equation
242,470.18 : 334,619.21 = 135,040.19 : x - Step 2: Convert to fraction form
242,470.18/334,619.21 = 135,040.19/x - Step 3: Cross multiply
242,470.18x = 334,619.21 × 135,040.19 - Step 4: Simplify right side
242,470.18x = 45,187,041,696.05 - Step 5: Solve for x
x = 45,187,041,696.05/242,470.18 - Step 6: Final answer
x = 186,361.23
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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.