Finding the Fourth Proportional to 375,638.11, 518,382.18 and 203,556.44
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Solution
The fourth proportional to 375,638.11, 518,382.18 and 203,556.44 is: 280,908.75
Step by Step Solution
- Step 1: Write the proportion equation
375,638.11 : 518,382.18 = 203,556.44 : x - Step 2: Convert to fraction form
375,638.11/518,382.18 = 203,556.44/x - Step 3: Cross multiply
375,638.11x = 518,382.18 × 203,556.44 - Step 4: Simplify right side
375,638.11x = 105,520,032,416.20 - Step 5: Solve for x
x = 105,520,032,416.20/375,638.11 - Step 6: Final answer
x = 280,908.75
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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.