Finding the Fourth Proportional to 351,415.14, 527,121.27 and 85,175.34
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Solution
The fourth proportional to 351,415.14, 527,121.27 and 85,175.34 is: 127,762.66
Step by Step Solution
- Step 1: Write the proportion equation
351,415.14 : 527,121.27 = 85,175.34 : x - Step 2: Convert to fraction form
351,415.14/527,121.27 = 85,175.34/x - Step 3: Cross multiply
351,415.14x = 527,121.27 × 85,175.34 - Step 4: Simplify right side
351,415.14x = 44,897,733,393.48 - Step 5: Solve for x
x = 44,897,733,393.48/351,415.14 - Step 6: Final answer
x = 127,762.66
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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.