Finding the Fourth Proportional to 355,748.08, 490,943.99 and 202,783.50
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Solution
The fourth proportional to 355,748.08, 490,943.99 and 202,783.50 is: 279,847.86
Step by Step Solution
- Step 1: Write the proportion equation
355,748.08 : 490,943.99 = 202,783.50 : x - Step 2: Convert to fraction form
355,748.08/490,943.99 = 202,783.50/x - Step 3: Cross multiply
355,748.08x = 490,943.99 × 202,783.50 - Step 4: Simplify right side
355,748.08x = 99,555,338,141.45 - Step 5: Solve for x
x = 99,555,338,141.45/355,748.08 - Step 6: Final answer
x = 279,847.86
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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.