Finding the Fourth Proportional to 135,129.04, 202,685.28 and 40,359.52
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Solution
The fourth proportional to 135,129.04, 202,685.28 and 40,359.52 is: 60,536.81
Step by Step Solution
- Step 1: Write the proportion equation
135,129.04 : 202,685.28 = 40,359.52 : x - Step 2: Convert to fraction form
135,129.04/202,685.28 = 40,359.52/x - Step 3: Cross multiply
135,129.04x = 202,685.28 × 40,359.52 - Step 4: Simplify right side
135,129.04x = 8,180,280,611.87 - Step 5: Solve for x
x = 8,180,280,611.87/135,129.04 - Step 6: Final answer
x = 60,536.81
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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.