Finding the Fourth Proportional to 351,696.04, 485,285.70 and 208,432.96
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Solution
The fourth proportional to 351,696.04, 485,285.70 and 208,432.96 is: 287,604.99
Step by Step Solution
- Step 1: Write the proportion equation
351,696.04 : 485,285.70 = 208,432.96 : x - Step 2: Convert to fraction form
351,696.04/485,285.70 = 208,432.96/x - Step 3: Cross multiply
351,696.04x = 485,285.70 × 208,432.96 - Step 4: Simplify right side
351,696.04x = 101,149,534,896.67 - Step 5: Solve for x
x = 101,149,534,896.67/351,696.04 - Step 6: Final answer
x = 287,604.99
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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.