Finding the Fourth Proportional to 266,627.79, 367,953.30 and 145,774.17
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Solution
The fourth proportional to 266,627.79, 367,953.30 and 145,774.17 is: 201,172.15
Step by Step Solution
- Step 1: Write the proportion equation
266,627.79 : 367,953.30 = 145,774.17 : x - Step 2: Convert to fraction form
266,627.79/367,953.30 = 145,774.17/x - Step 3: Cross multiply
266,627.79x = 367,953.30 × 145,774.17 - Step 4: Simplify right side
266,627.79x = 53,638,086,906.26 - Step 5: Solve for x
x = 53,638,086,906.26/266,627.79 - Step 6: Final answer
x = 201,172.15
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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.