Finding the Fourth Proportional to 293,795.09, 402,796.78 and 288,480.68
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Solution
The fourth proportional to 293,795.09, 402,796.78 and 288,480.68 is: 395,510.65
Step by Step Solution
- Step 1: Write the proportion equation
293,795.09 : 402,796.78 = 288,480.68 : x - Step 2: Convert to fraction form
293,795.09/402,796.78 = 288,480.68/x - Step 3: Cross multiply
293,795.09x = 402,796.78 × 288,480.68 - Step 4: Simplify right side
293,795.09x = 116,199,087,268.02 - Step 5: Solve for x
x = 116,199,087,268.02/293,795.09 - Step 6: Final answer
x = 395,510.65
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.