Finding the Fourth Proportional to 309,571.74, 464,358.24 and 84,935.28
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Solution
The fourth proportional to 309,571.74, 464,358.24 and 84,935.28 is: 127,403.09
Step by Step Solution
- Step 1: Write the proportion equation
309,571.74 : 464,358.24 = 84,935.28 : x - Step 2: Convert to fraction form
309,571.74/464,358.24 = 84,935.28/x - Step 3: Cross multiply
309,571.74x = 464,358.24 × 84,935.28 - Step 4: Simplify right side
309,571.74x = 39,440,397,134.71 - Step 5: Solve for x
x = 39,440,397,134.71/309,571.74 - Step 6: Final answer
x = 127,403.09
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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.