Finding the Fourth Proportional to 266,475.06, 367,731.18 and 145,613.88
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Solution
The fourth proportional to 266,475.06, 367,731.18 and 145,613.88 is: 200,944.75
Step by Step Solution
- Step 1: Write the proportion equation
266,475.06 : 367,731.18 = 145,613.88 : x - Step 2: Convert to fraction form
266,475.06/367,731.18 = 145,613.88/x - Step 3: Cross multiply
266,475.06x = 367,731.18 × 145,613.88 - Step 4: Simplify right side
266,475.06x = 53,546,763,916.78 - Step 5: Solve for x
x = 53,546,763,916.78/266,475.06 - Step 6: Final answer
x = 200,944.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.