Finding the Fourth Proportional to 284,525.64, 392,611.94 and 157,193.64
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Solution
The fourth proportional to 284,525.64, 392,611.94 and 157,193.64 is: 216,908.75
Step by Step Solution
- Step 1: Write the proportion equation
284,525.64 : 392,611.94 = 157,193.64 : x - Step 2: Convert to fraction form
284,525.64/392,611.94 = 157,193.64/x - Step 3: Cross multiply
284,525.64x = 392,611.94 × 157,193.64 - Step 4: Simplify right side
284,525.64x = 61,716,099,956.06 - Step 5: Solve for x
x = 61,716,099,956.06/284,525.64 - Step 6: Final answer
x = 216,908.75
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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.