Finding the Fourth Proportional to 309,060.63, 463,518.21 and 84,367.65
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Solution
The fourth proportional to 309,060.63, 463,518.21 and 84,367.65 is: 126,531.62
Step by Step Solution
- Step 1: Write the proportion equation
309,060.63 : 463,518.21 = 84,367.65 : x - Step 2: Convert to fraction form
309,060.63/463,518.21 = 84,367.65/x - Step 3: Cross multiply
309,060.63x = 463,518.21 × 84,367.65 - Step 4: Simplify right side
309,060.63x = 39,105,942,109.91 - Step 5: Solve for x
x = 39,105,942,109.91/309,060.63 - Step 6: Final answer
x = 126,531.62
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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.