Finding the Fourth Proportional to 641,950.06, 885,880.14 and 355,463.99
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Solution
The fourth proportional to 641,950.06, 885,880.14 and 355,463.99 is: 490,534.25
Step by Step Solution
- Step 1: Write the proportion equation
641,950.06 : 885,880.14 = 355,463.99 : x - Step 2: Convert to fraction form
641,950.06/885,880.14 = 355,463.99/x - Step 3: Cross multiply
641,950.06x = 885,880.14 × 355,463.99 - Step 4: Simplify right side
641,950.06x = 314,898,489,226.16 - Step 5: Solve for x
x = 314,898,489,226.16/641,950.06 - Step 6: Final answer
x = 490,534.25
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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.