Finding the Fourth Proportional to 919,989.99, 1,379,984.70 and 246,053.88
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Solution
The fourth proportional to 919,989.99, 1,379,984.70 and 246,053.88 is: 369,080.74
Step by Step Solution
- Step 1: Write the proportion equation
919,989.99 : 1,379,984.70 = 246,053.88 : x - Step 2: Convert to fraction form
919,989.99/1,379,984.70 = 246,053.88/x - Step 3: Cross multiply
919,989.99x = 1,379,984.70 × 246,053.88 - Step 4: Simplify right side
919,989.99x = 339,550,589,775.64 - Step 5: Solve for x
x = 339,550,589,775.64/919,989.99 - Step 6: Final answer
x = 369,080.74
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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.