Finding the Fourth Proportional to 748,173.68, 1,122,418.16 and 242,695.20
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Solution
The fourth proportional to 748,173.68, 1,122,418.16 and 242,695.20 is: 364,093.94
Step by Step Solution
- Step 1: Write the proportion equation
748,173.68 : 1,122,418.16 = 242,695.20 : x - Step 2: Convert to fraction form
748,173.68/1,122,418.16 = 242,695.20/x - Step 3: Cross multiply
748,173.68x = 1,122,418.16 × 242,695.20 - Step 4: Simplify right side
748,173.68x = 272,405,499,824.83 - Step 5: Solve for x
x = 272,405,499,824.83/748,173.68 - Step 6: Final answer
x = 364,093.94
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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.