Finding the Fourth Proportional to 135,656.20, 203,484.30 and 100,226.80
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Solution
The fourth proportional to 135,656.20, 203,484.30 and 100,226.80 is: 150,340.20
Step by Step Solution
- Step 1: Write the proportion equation
135,656.20 : 203,484.30 = 100,226.80 : x - Step 2: Convert to fraction form
135,656.20/203,484.30 = 100,226.80/x - Step 3: Cross multiply
135,656.20x = 203,484.30 × 100,226.80 - Step 4: Simplify right side
135,656.20x = 20,394,580,239.24 - Step 5: Solve for x
x = 20,394,580,239.24/135,656.20 - Step 6: Final answer
x = 150,340.20
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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.