Finding the Fourth Proportional to 414,712.62, 622,167.84 and 134,229.96
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Solution
The fourth proportional to 414,712.62, 622,167.84 and 134,229.96 is: 201,376.95
Step by Step Solution
- Step 1: Write the proportion equation
414,712.62 : 622,167.84 = 134,229.96 : x - Step 2: Convert to fraction form
414,712.62/622,167.84 = 134,229.96/x - Step 3: Cross multiply
414,712.62x = 622,167.84 × 134,229.96 - Step 4: Simplify right side
414,712.62x = 83,513,564,276.49 - Step 5: Solve for x
x = 83,513,564,276.49/414,712.62 - Step 6: Final answer
x = 201,376.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.