Finding the Fourth Proportional to 432,632.76, 649,356.17 and 219,553.62
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Solution
The fourth proportional to 432,632.76, 649,356.17 and 219,553.62 is: 329,536.99
Step by Step Solution
- Step 1: Write the proportion equation
432,632.76 : 649,356.17 = 219,553.62 : x - Step 2: Convert to fraction form
432,632.76/649,356.17 = 219,553.62/x - Step 3: Cross multiply
432,632.76x = 649,356.17 × 219,553.62 - Step 4: Simplify right side
432,632.76x = 142,568,496,695.07 - Step 5: Solve for x
x = 142,568,496,695.07/432,632.76 - Step 6: Final answer
x = 329,536.99
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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.