Finding the Fourth Proportional to 353,356.14, 487,549.02 and 206,158.05
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Solution
The fourth proportional to 353,356.14, 487,549.02 and 206,158.05 is: 284,450.00
Step by Step Solution
- Step 1: Write the proportion equation
353,356.14 : 487,549.02 = 206,158.05 : x - Step 2: Convert to fraction form
353,356.14/487,549.02 = 206,158.05/x - Step 3: Cross multiply
353,356.14x = 487,549.02 × 206,158.05 - Step 4: Simplify right side
353,356.14x = 100,512,155,242.61 - Step 5: Solve for x
x = 100,512,155,242.61/353,356.14 - Step 6: Final answer
x = 284,450.00
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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.