Finding the Fourth Proportional to 414,072.45, 571,406.69 and 232,791.99
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Solution
The fourth proportional to 414,072.45, 571,406.69 and 232,791.99 is: 321,245.47
Step by Step Solution
- Step 1: Write the proportion equation
414,072.45 : 571,406.69 = 232,791.99 : x - Step 2: Convert to fraction form
414,072.45/571,406.69 = 232,791.99/x - Step 3: Cross multiply
414,072.45x = 571,406.69 × 232,791.99 - Step 4: Simplify right side
414,072.45x = 133,018,899,300.45 - Step 5: Solve for x
x = 133,018,899,300.45/414,072.45 - Step 6: Final answer
x = 321,245.47
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1.5x scale
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.