Finding the Fourth Proportional to 360,548.36, 540,441.17 and 135,811.55
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Solution
The fourth proportional to 360,548.36, 540,441.17 and 135,811.55 is: 203,573.66
Step by Step Solution
- Step 1: Write the proportion equation
360,548.36 : 540,441.17 = 135,811.55 : x - Step 2: Convert to fraction form
360,548.36/540,441.17 = 135,811.55/x - Step 3: Cross multiply
360,548.36x = 540,441.17 × 135,811.55 - Step 4: Simplify right side
360,548.36x = 73,398,149,600.25 - Step 5: Solve for x
x = 73,398,149,600.25/360,548.36 - Step 6: Final answer
x = 203,573.66
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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.