Finding the Fourth Proportional to 385,060.13, 531,336.78 and 212,954.74
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Solution
The fourth proportional to 385,060.13, 531,336.78 and 212,954.74 is: 293,851.99
Step by Step Solution
- Step 1: Write the proportion equation
385,060.13 : 531,336.78 = 212,954.74 : x - Step 2: Convert to fraction form
385,060.13/531,336.78 = 212,954.74/x - Step 3: Cross multiply
385,060.13x = 531,336.78 × 212,954.74 - Step 4: Simplify right side
385,060.13x = 113,150,684,509.00 - Step 5: Solve for x
x = 113,150,684,509.00/385,060.13 - Step 6: Final answer
x = 293,851.99
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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.