Finding the Fourth Proportional to 201,070.70, 301,605.85 and 51,310.99
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Solution
The fourth proportional to 201,070.70, 301,605.85 and 51,310.99 is: 76,966.43
Step by Step Solution
- Step 1: Write the proportion equation
201,070.70 : 301,605.85 = 51,310.99 : x - Step 2: Convert to fraction form
201,070.70/301,605.85 = 51,310.99/x - Step 3: Cross multiply
201,070.70x = 301,605.85 × 51,310.99 - Step 4: Simplify right side
201,070.70x = 15,475,694,490.48 - Step 5: Solve for x
x = 15,475,694,490.48/201,070.70 - Step 6: Final answer
x = 76,966.43
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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.