Finding the Fourth Proportional to 135,551.70, 203,327.55 and 100,559.70
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Solution
The fourth proportional to 135,551.70, 203,327.55 and 100,559.70 is: 150,839.55
Step by Step Solution
- Step 1: Write the proportion equation
135,551.70 : 203,327.55 = 100,559.70 : x - Step 2: Convert to fraction form
135,551.70/203,327.55 = 100,559.70/x - Step 3: Cross multiply
135,551.70x = 203,327.55 × 100,559.70 - Step 4: Simplify right side
135,551.70x = 20,446,557,429.74 - Step 5: Solve for x
x = 20,446,557,429.74/135,551.70 - Step 6: Final answer
x = 150,839.55
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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.