Finding the Fourth Proportional to 284,243.93, 426,140.99 and 106,731.17
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Solution
The fourth proportional to 284,243.93, 426,140.99 and 106,731.17 is: 160,012.30
Step by Step Solution
- Step 1: Write the proportion equation
284,243.93 : 426,140.99 = 106,731.17 : x - Step 2: Convert to fraction form
284,243.93/426,140.99 = 106,731.17/x - Step 3: Cross multiply
284,243.93x = 426,140.99 × 106,731.17 - Step 4: Simplify right side
284,243.93x = 45,482,525,914.00 - Step 5: Solve for x
x = 45,482,525,914.00/284,243.93 - Step 6: Final answer
x = 160,012.30
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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.