Finding the Fourth Proportional to 512,695.41, 768,543.26 and 204,855.65
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Solution
The fourth proportional to 512,695.41, 768,543.26 and 204,855.65 is: 307,083.75
Step by Step Solution
- Step 1: Write the proportion equation
512,695.41 : 768,543.26 = 204,855.65 : x - Step 2: Convert to fraction form
512,695.41/768,543.26 = 204,855.65/x - Step 3: Cross multiply
512,695.41x = 768,543.26 × 204,855.65 - Step 4: Simplify right side
512,695.41x = 157,440,427,095.46 - Step 5: Solve for x
x = 157,440,427,095.46/512,695.41 - Step 6: Final answer
x = 307,083.75
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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.