Finding the Fourth Proportional to 397,212.36, 595,482.66 and 172,403.82
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Solution
The fourth proportional to 397,212.36, 595,482.66 and 172,403.82 is: 258,459.95
Step by Step Solution
- Step 1: Write the proportion equation
397,212.36 : 595,482.66 = 172,403.82 : x - Step 2: Convert to fraction form
397,212.36/595,482.66 = 172,403.82/x - Step 3: Cross multiply
397,212.36x = 595,482.66 × 172,403.82 - Step 4: Simplify right side
397,212.36x = 102,663,485,327.76 - Step 5: Solve for x
x = 102,663,485,327.76/397,212.36 - Step 6: Final answer
x = 258,459.95
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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.