Finding the Fourth Proportional to 432,754.57, 649,134.33 and 117,214.21
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Solution
The fourth proportional to 432,754.57, 649,134.33 and 117,214.21 is: 175,821.99
Step by Step Solution
- Step 1: Write the proportion equation
432,754.57 : 649,134.33 = 117,214.21 : x - Step 2: Convert to fraction form
432,754.57/649,134.33 = 117,214.21/x - Step 3: Cross multiply
432,754.57x = 649,134.33 × 117,214.21 - Step 4: Simplify right side
432,754.57x = 76,087,767,674.83 - Step 5: Solve for x
x = 76,087,767,674.83/432,754.57 - Step 6: Final answer
x = 175,821.99
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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.