Finding the Fourth Proportional to 355,599.20, 490,701.69 and 202,632.52
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Solution
The fourth proportional to 355,599.20, 490,701.69 and 202,632.52 is: 279,618.51
Step by Step Solution
- Step 1: Write the proportion equation
355,599.20 : 490,701.69 = 202,632.52 : x - Step 2: Convert to fraction form
355,599.20/490,701.69 = 202,632.52/x - Step 3: Cross multiply
355,599.20x = 490,701.69 × 202,632.52 - Step 4: Simplify right side
355,599.20x = 99,432,118,786.20 - Step 5: Solve for x
x = 99,432,118,786.20/355,599.20 - Step 6: Final answer
x = 279,618.51
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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.