Finding the Fourth Proportional to 123,470.24, 170,359.44 and 73,160.48
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Solution
The fourth proportional to 123,470.24, 170,359.44 and 73,160.48 is: 100,943.99
Step by Step Solution
- Step 1: Write the proportion equation
123,470.24 : 170,359.44 = 73,160.48 : x - Step 2: Convert to fraction form
123,470.24/170,359.44 = 73,160.48/x - Step 3: Cross multiply
123,470.24x = 170,359.44 × 73,160.48 - Step 4: Simplify right side
123,470.24x = 12,463,578,402.93 - Step 5: Solve for x
x = 12,463,578,402.93/123,470.24 - Step 6: Final answer
x = 100,943.99
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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.