Finding the Fourth Proportional to 387,385.08, 534,541.68 and 226,123.44
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Solution
The fourth proportional to 387,385.08, 534,541.68 and 226,123.44 is: 312,021.32
Step by Step Solution
- Step 1: Write the proportion equation
387,385.08 : 534,541.68 = 226,123.44 : x - Step 2: Convert to fraction form
387,385.08/534,541.68 = 226,123.44/x - Step 3: Cross multiply
387,385.08x = 534,541.68 × 226,123.44 - Step 4: Simplify right side
387,385.08x = 120,872,403,504.98 - Step 5: Solve for x
x = 120,872,403,504.98/387,385.08 - Step 6: Final answer
x = 312,021.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.