Finding the Fourth Proportional to 129,153.02, 193,714.92 and 44,898.98
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Solution
The fourth proportional to 129,153.02, 193,714.92 and 44,898.98 is: 67,343.39
Step by Step Solution
- Step 1: Write the proportion equation
129,153.02 : 193,714.92 = 44,898.98 : x - Step 2: Convert to fraction form
129,153.02/193,714.92 = 44,898.98/x - Step 3: Cross multiply
129,153.02x = 193,714.92 × 44,898.98 - Step 4: Simplify right side
129,153.02x = 8,697,602,318.78 - Step 5: Solve for x
x = 8,697,602,318.78/129,153.02 - Step 6: Final answer
x = 67,343.39
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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.