Finding the Fourth Proportional to 465,581.99, 642,482.43 and 272,007.65
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Solution
The fourth proportional to 465,581.99, 642,482.43 and 272,007.65 is: 375,358.45
Step by Step Solution
- Step 1: Write the proportion equation
465,581.99 : 642,482.43 = 272,007.65 : x - Step 2: Convert to fraction form
465,581.99/642,482.43 = 272,007.65/x - Step 3: Cross multiply
465,581.99x = 642,482.43 × 272,007.65 - Step 4: Simplify right side
465,581.99x = 174,760,135,950.59 - Step 5: Solve for x
x = 174,760,135,950.59/465,581.99 - Step 6: Final answer
x = 375,358.45
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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.