Finding the Fourth Proportional to 164,372.80, 246,415.20 and 111,611.20
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Solution
The fourth proportional to 164,372.80, 246,415.20 and 111,611.20 is: 167,319.02
Step by Step Solution
- Step 1: Write the proportion equation
164,372.80 : 246,415.20 = 111,611.20 : x - Step 2: Convert to fraction form
164,372.80/246,415.20 = 111,611.20/x - Step 3: Cross multiply
164,372.80x = 246,415.20 × 111,611.20 - Step 4: Simplify right side
164,372.80x = 27,502,696,170.24 - Step 5: Solve for x
x = 27,502,696,170.24/164,372.80 - Step 6: Final answer
x = 167,319.02
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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.