Finding the Fourth Proportional to 381,135.48, 572,045.88 and 203,794.08
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Solution
The fourth proportional to 381,135.48, 572,045.88 and 203,794.08 is: 305,874.34
Step by Step Solution
- Step 1: Write the proportion equation
381,135.48 : 572,045.88 = 203,794.08 : x - Step 2: Convert to fraction form
381,135.48/572,045.88 = 203,794.08/x - Step 3: Cross multiply
381,135.48x = 572,045.88 × 203,794.08 - Step 4: Simplify right side
381,135.48x = 116,579,563,832.39 - Step 5: Solve for x
x = 116,579,563,832.39/381,135.48 - Step 6: Final answer
x = 305,874.34
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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.