Finding the Fourth Proportional to 264,837.16, 365,470.88 and 143,981.44
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Solution
The fourth proportional to 264,837.16, 365,470.88 and 143,981.44 is: 198,691.99
Step by Step Solution
- Step 1: Write the proportion equation
264,837.16 : 365,470.88 = 143,981.44 : x - Step 2: Convert to fraction form
264,837.16/365,470.88 = 143,981.44/x - Step 3: Cross multiply
264,837.16x = 365,470.88 × 143,981.44 - Step 4: Simplify right side
264,837.16x = 52,621,023,580.47 - Step 5: Solve for x
x = 52,621,023,580.47/264,837.16 - Step 6: Final answer
x = 198,691.99
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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.