Finding the Fourth Proportional to 261,368.80, 360,770.16 and 207,748.96
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Solution
The fourth proportional to 261,368.80, 360,770.16 and 207,748.96 is: 286,758.12
Step by Step Solution
- Step 1: Write the proportion equation
261,368.80 : 360,770.16 = 207,748.96 : x - Step 2: Convert to fraction form
261,368.80/360,770.16 = 207,748.96/x - Step 3: Cross multiply
261,368.80x = 360,770.16 × 207,748.96 - Step 4: Simplify right side
261,368.80x = 74,949,625,539.03 - Step 5: Solve for x
x = 74,949,625,539.03/261,368.80 - Step 6: Final answer
x = 286,758.12
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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.