Finding the Fourth Proportional to 286,809.14, 395,791.62 and 159,482.00
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Solution
The fourth proportional to 286,809.14, 395,791.62 and 159,482.00 is: 220,082.38
Step by Step Solution
- Step 1: Write the proportion equation
286,809.14 : 395,791.62 = 159,482.00 : x - Step 2: Convert to fraction form
286,809.14/395,791.62 = 159,482.00/x - Step 3: Cross multiply
286,809.14x = 395,791.62 × 159,482.00 - Step 4: Simplify right side
286,809.14x = 63,121,637,161.88 - Step 5: Solve for x
x = 63,121,637,161.88/286,809.14 - Step 6: Final answer
x = 220,082.38
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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.