Finding the Fourth Proportional to 135,068.47, 202,614.21 and 40,292.55
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Solution
The fourth proportional to 135,068.47, 202,614.21 and 40,292.55 is: 60,442.26
Step by Step Solution
- Step 1: Write the proportion equation
135,068.47 : 202,614.21 = 40,292.55 : x - Step 2: Convert to fraction form
135,068.47/202,614.21 = 40,292.55/x - Step 3: Cross multiply
135,068.47x = 202,614.21 × 40,292.55 - Step 4: Simplify right side
135,068.47x = 8,163,843,187.14 - Step 5: Solve for x
x = 8,163,843,187.14/135,068.47 - Step 6: Final answer
x = 60,442.26
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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.