Finding the Fourth Proportional to 377,635.36, 521,075.82 and 216,460.75
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Solution
The fourth proportional to 377,635.36, 521,075.82 and 216,460.75 is: 298,680.88
Step by Step Solution
- Step 1: Write the proportion equation
377,635.36 : 521,075.82 = 216,460.75 : x - Step 2: Convert to fraction form
377,635.36/521,075.82 = 216,460.75/x - Step 3: Cross multiply
377,635.36x = 521,075.82 × 216,460.75 - Step 4: Simplify right side
377,635.36x = 112,792,462,804.07 - Step 5: Solve for x
x = 112,792,462,804.07/377,635.36 - Step 6: Final answer
x = 298,680.88
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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.