Finding the Fourth Proportional to 360,531.55, 540,415.97 and 135,794.75
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Solution
The fourth proportional to 360,531.55, 540,415.97 and 135,794.75 is: 203,548.48
Step by Step Solution
- Step 1: Write the proportion equation
360,531.55 : 540,415.97 = 135,794.75 : x - Step 2: Convert to fraction form
360,531.55/540,415.97 = 135,794.75/x - Step 3: Cross multiply
360,531.55x = 540,415.97 × 135,794.75 - Step 4: Simplify right side
360,531.55x = 73,385,648,161.10 - Step 5: Solve for x
x = 73,385,648,161.10/360,531.55 - Step 6: Final answer
x = 203,548.48
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1.5x scale
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.