Finding the Fourth Proportional to 641,950.08, 885,880.24 and 355,464.02
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Solution
The fourth proportional to 641,950.08, 885,880.24 and 355,464.02 is: 490,534.33
Step by Step Solution
- Step 1: Write the proportion equation
641,950.08 : 885,880.24 = 355,464.02 : x - Step 2: Convert to fraction form
641,950.08/885,880.24 = 355,464.02/x - Step 3: Cross multiply
641,950.08x = 885,880.24 × 355,464.02 - Step 4: Simplify right side
641,950.08x = 314,898,551,348.97 - Step 5: Solve for x
x = 314,898,551,348.97/641,950.08 - Step 6: Final answer
x = 490,534.33
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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.