Finding the Fourth Proportional to 433,973.95, 598,745.66 and 281,129.31
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Solution
The fourth proportional to 433,973.95, 598,745.66 and 281,129.31 is: 387,868.79
Step by Step Solution
- Step 1: Write the proportion equation
433,973.95 : 598,745.66 = 281,129.31 : x - Step 2: Convert to fraction form
433,973.95/598,745.66 = 281,129.31/x - Step 3: Cross multiply
433,973.95x = 598,745.66 × 281,129.31 - Step 4: Simplify right side
433,973.95x = 168,324,952,357.69 - Step 5: Solve for x
x = 168,324,952,357.69/433,973.95 - Step 6: Final answer
x = 387,868.79
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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.