Finding the Fourth Proportional to 457,950.98, 686,059.42 and 305,688.94
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Solution
The fourth proportional to 457,950.98, 686,059.42 and 305,688.94 is: 457,954.65
Step by Step Solution
- Step 1: Write the proportion equation
457,950.98 : 686,059.42 = 305,688.94 : x - Step 2: Convert to fraction form
457,950.98/686,059.42 = 305,688.94/x - Step 3: Cross multiply
457,950.98x = 686,059.42 × 305,688.94 - Step 4: Simplify right side
457,950.98x = 209,720,776,876.82 - Step 5: Solve for x
x = 209,720,776,876.82/457,950.98 - Step 6: Final answer
x = 457,954.65
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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.