Finding the Fourth Proportional to 135,041.24, 202,557.50 and 40,272.20
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Solution
The fourth proportional to 135,041.24, 202,557.50 and 40,272.20 is: 60,406.99
Step by Step Solution
- Step 1: Write the proportion equation
135,041.24 : 202,557.50 = 40,272.20 : x - Step 2: Convert to fraction form
135,041.24/202,557.50 = 40,272.20/x - Step 3: Cross multiply
135,041.24x = 202,557.50 × 40,272.20 - Step 4: Simplify right side
135,041.24x = 8,157,434,937.35 - Step 5: Solve for x
x = 8,157,434,937.35/135,041.24 - Step 6: Final answer
x = 60,406.99
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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.