Finding the Fourth Proportional to 459,794.16, 689,755.95 and 160,231.68
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Solution
The fourth proportional to 459,794.16, 689,755.95 and 160,231.68 is: 240,370.07
Step by Step Solution
- Step 1: Write the proportion equation
459,794.16 : 689,755.95 = 160,231.68 : x - Step 2: Convert to fraction form
459,794.16/689,755.95 = 160,231.68/x - Step 3: Cross multiply
459,794.16x = 689,755.95 × 160,231.68 - Step 4: Simplify right side
459,794.16x = 110,520,754,658.50 - Step 5: Solve for x
x = 110,520,754,658.50/459,794.16 - Step 6: Final answer
x = 240,370.07
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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.