Finding the Fourth Proportional to 387,349.44, 534,606.12 and 226,203.18
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Solution
The fourth proportional to 387,349.44, 534,606.12 and 226,203.18 is: 312,197.70
Step by Step Solution
- Step 1: Write the proportion equation
387,349.44 : 534,606.12 = 226,203.18 : x - Step 2: Convert to fraction form
387,349.44/534,606.12 = 226,203.18/x - Step 3: Cross multiply
387,349.44x = 534,606.12 × 226,203.18 - Step 4: Simplify right side
387,349.44x = 120,929,604,391.46 - Step 5: Solve for x
x = 120,929,604,391.46/387,349.44 - Step 6: Final answer
x = 312,197.70
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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.