Finding the Fourth Proportional to 387,748.88, 581,623.53 and 177,239.19
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Solution
The fourth proportional to 387,748.88, 581,623.53 and 177,239.19 is: 265,858.88
Step by Step Solution
- Step 1: Write the proportion equation
387,748.88 : 581,623.53 = 177,239.19 : x - Step 2: Convert to fraction form
387,748.88/581,623.53 = 177,239.19/x - Step 3: Cross multiply
387,748.88x = 581,623.53 × 177,239.19 - Step 4: Simplify right side
387,748.88x = 103,086,482,455.95 - Step 5: Solve for x
x = 103,086,482,455.95/387,748.88 - Step 6: Final answer
x = 265,858.88
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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.