Finding the Fourth Proportional to 242,419.42, 362,880.28 and 157,997.98
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Solution
The fourth proportional to 242,419.42, 362,880.28 and 157,997.98 is: 236,508.90
Step by Step Solution
- Step 1: Write the proportion equation
242,419.42 : 362,880.28 = 157,997.98 : x - Step 2: Convert to fraction form
242,419.42/362,880.28 = 157,997.98/x - Step 3: Cross multiply
242,419.42x = 362,880.28 × 157,997.98 - Step 4: Simplify right side
242,419.42x = 57,334,351,221.83 - Step 5: Solve for x
x = 57,334,351,221.83/242,419.42 - Step 6: Final answer
x = 236,508.90
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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.