Finding the Fourth Proportional to 305,907.16, 458,860.74 and 95,561.68
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Solution
The fourth proportional to 305,907.16, 458,860.74 and 95,561.68 is: 143,342.52
Step by Step Solution
- Step 1: Write the proportion equation
305,907.16 : 458,860.74 = 95,561.68 : x - Step 2: Convert to fraction form
305,907.16/458,860.74 = 95,561.68/x - Step 3: Cross multiply
305,907.16x = 458,860.74 × 95,561.68 - Step 4: Simplify right side
305,907.16x = 43,849,503,200.44 - Step 5: Solve for x
x = 43,849,503,200.44/305,907.16 - Step 6: Final answer
x = 143,342.52
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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.