Finding the Fourth Proportional to 135,109.34, 202,692.95 and 40,346.99
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Solution
The fourth proportional to 135,109.34, 202,692.95 and 40,346.99 is: 60,529.13
Step by Step Solution
- Step 1: Write the proportion equation
135,109.34 : 202,692.95 = 40,346.99 : x - Step 2: Convert to fraction form
135,109.34/202,692.95 = 40,346.99/x - Step 3: Cross multiply
135,109.34x = 202,692.95 × 40,346.99 - Step 4: Simplify right side
135,109.34x = 8,178,050,122.92 - Step 5: Solve for x
x = 8,178,050,122.92/135,109.34 - Step 6: Final answer
x = 60,529.13
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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.