Finding the Fourth Proportional to 306,798.14, 423,512.08 and 206,254.46
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Solution
The fourth proportional to 306,798.14, 423,512.08 and 206,254.46 is: 284,718.99
Step by Step Solution
- Step 1: Write the proportion equation
306,798.14 : 423,512.08 = 206,254.46 : x - Step 2: Convert to fraction form
306,798.14/423,512.08 = 206,254.46/x - Step 3: Cross multiply
306,798.14x = 423,512.08 × 206,254.46 - Step 4: Simplify right side
306,798.14x = 87,351,255,363.88 - Step 5: Solve for x
x = 87,351,255,363.88/306,798.14 - Step 6: Final answer
x = 284,718.99
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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.