Finding the Fourth Proportional to 242,753.11, 364,731.96 and 157,418.26
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Solution
The fourth proportional to 242,753.11, 364,731.96 and 157,418.26 is: 236,517.96
Step by Step Solution
- Step 1: Write the proportion equation
242,753.11 : 364,731.96 = 157,418.26 : x - Step 2: Convert to fraction form
242,753.11/364,731.96 = 157,418.26/x - Step 3: Cross multiply
242,753.11x = 364,731.96 × 157,418.26 - Step 4: Simplify right side
242,753.11x = 57,415,470,188.08 - Step 5: Solve for x
x = 57,415,470,188.08/242,753.11 - Step 6: Final answer
x = 236,517.96
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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.