Finding the Fourth Proportional to 136,238.95, 204,300.10 and 42,751.99
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Solution
The fourth proportional to 136,238.95, 204,300.10 and 42,751.99 is: 64,109.68
Step by Step Solution
- Step 1: Write the proportion equation
136,238.95 : 204,300.10 = 42,751.99 : x - Step 2: Convert to fraction form
136,238.95/204,300.10 = 42,751.99/x - Step 3: Cross multiply
136,238.95x = 204,300.10 × 42,751.99 - Step 4: Simplify right side
136,238.95x = 8,734,235,832.20 - Step 5: Solve for x
x = 8,734,235,832.20/136,238.95 - Step 6: Final answer
x = 64,109.68
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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.