Finding the Fourth Proportional to 285,225.42, 393,652.26 and 164,343.54
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Solution
The fourth proportional to 285,225.42, 393,652.26 and 164,343.54 is: 226,817.81
Step by Step Solution
- Step 1: Write the proportion equation
285,225.42 : 393,652.26 = 164,343.54 : x - Step 2: Convert to fraction form
285,225.42/393,652.26 = 164,343.54/x - Step 3: Cross multiply
285,225.42x = 393,652.26 × 164,343.54 - Step 4: Simplify right side
285,225.42x = 64,694,205,937.40 - Step 5: Solve for x
x = 64,694,205,937.40/285,225.42 - Step 6: Final answer
x = 226,817.81
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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.