Finding the Fourth Proportional to 399,937.21, 599,906.43 and 160,159.09
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Solution
The fourth proportional to 399,937.21, 599,906.43 and 160,159.09 is: 240,238.88
Step by Step Solution
- Step 1: Write the proportion equation
399,937.21 : 599,906.43 = 160,159.09 : x - Step 2: Convert to fraction form
399,937.21/599,906.43 = 160,159.09/x - Step 3: Cross multiply
399,937.21x = 599,906.43 × 160,159.09 - Step 4: Simplify right side
399,937.21x = 96,080,467,913.95 - Step 5: Solve for x
x = 96,080,467,913.95/399,937.21 - Step 6: Final answer
x = 240,238.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.