Finding the Fourth Proportional to 266,537.20, 399,149.70 and 177,307.60
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Solution
The fourth proportional to 266,537.20, 399,149.70 and 177,307.60 is: 265,524.94
Step by Step Solution
- Step 1: Write the proportion equation
266,537.20 : 399,149.70 = 177,307.60 : x - Step 2: Convert to fraction form
266,537.20/399,149.70 = 177,307.60/x - Step 3: Cross multiply
266,537.20x = 399,149.70 × 177,307.60 - Step 4: Simplify right side
266,537.20x = 70,772,275,347.72 - Step 5: Solve for x
x = 70,772,275,347.72/266,537.20 - Step 6: Final answer
x = 265,524.94
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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.