Finding the Fourth Proportional to 136,346.68, 204,613.44 and 47,600.18
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Solution
The fourth proportional to 136,346.68, 204,613.44 and 47,600.18 is: 71,432.88
Step by Step Solution
- Step 1: Write the proportion equation
136,346.68 : 204,613.44 = 47,600.18 : x - Step 2: Convert to fraction form
136,346.68/204,613.44 = 47,600.18/x - Step 3: Cross multiply
136,346.68x = 204,613.44 × 47,600.18 - Step 4: Simplify right side
136,346.68x = 9,739,636,574.42 - Step 5: Solve for x
x = 9,739,636,574.42/136,346.68 - Step 6: Final answer
x = 71,432.88
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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.