Finding the Fourth Proportional to 198,731.52, 298,088.64 and 48,964.68
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Solution
The fourth proportional to 198,731.52, 298,088.64 and 48,964.68 is: 73,444.89
Step by Step Solution
- Step 1: Write the proportion equation
198,731.52 : 298,088.64 = 48,964.68 : x - Step 2: Convert to fraction form
198,731.52/298,088.64 = 48,964.68/x - Step 3: Cross multiply
198,731.52x = 298,088.64 × 48,964.68 - Step 4: Simplify right side
198,731.52x = 14,595,814,869.24 - Step 5: Solve for x
x = 14,595,814,869.24/198,731.52 - Step 6: Final answer
x = 73,444.89
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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.