Finding the Fourth Proportional to 377,193.48, 520,511.16 and 213,860.98
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Solution
The fourth proportional to 377,193.48, 520,511.16 and 213,860.98 is: 295,119.17
Step by Step Solution
- Step 1: Write the proportion equation
377,193.48 : 520,511.16 = 213,860.98 : x - Step 2: Convert to fraction form
377,193.48/520,511.16 = 213,860.98/x - Step 3: Cross multiply
377,193.48x = 520,511.16 × 213,860.98 - Step 4: Simplify right side
377,193.48x = 111,317,026,778.54 - Step 5: Solve for x
x = 111,317,026,778.54/377,193.48 - Step 6: Final answer
x = 295,119.17
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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.