Finding the Fourth Proportional to 395,651.05, 545,994.16 and 214,352.17
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Solution
The fourth proportional to 395,651.05, 545,994.16 and 214,352.17 is: 295,803.67
Step by Step Solution
- Step 1: Write the proportion equation
395,651.05 : 545,994.16 = 214,352.17 : x - Step 2: Convert to fraction form
395,651.05/545,994.16 = 214,352.17/x - Step 3: Cross multiply
395,651.05x = 545,994.16 × 214,352.17 - Step 4: Simplify right side
395,651.05x = 117,035,031,102.46 - Step 5: Solve for x
x = 117,035,031,102.46/395,651.05 - Step 6: Final answer
x = 295,803.67
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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.