Finding the Fourth Proportional to 261,364.80, 360,764.64 and 207,744.96
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Solution
The fourth proportional to 261,364.80, 360,764.64 and 207,744.96 is: 286,752.60
Step by Step Solution
- Step 1: Write the proportion equation
261,364.80 : 360,764.64 = 207,744.96 : x - Step 2: Convert to fraction form
261,364.80/360,764.64 = 207,744.96/x - Step 3: Cross multiply
261,364.80x = 360,764.64 × 207,744.96 - Step 4: Simplify right side
261,364.80x = 74,947,035,706.21 - Step 5: Solve for x
x = 74,947,035,706.21/261,364.80 - Step 6: Final answer
x = 286,752.60
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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.