Finding the Fourth Proportional to 199,601.10, 299,056.05 and 129,444.30
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Solution
The fourth proportional to 199,601.10, 299,056.05 and 129,444.30 is: 193,942.32
Step by Step Solution
- Step 1: Write the proportion equation
199,601.10 : 299,056.05 = 129,444.30 : x - Step 2: Convert to fraction form
199,601.10/299,056.05 = 129,444.30/x - Step 3: Cross multiply
199,601.10x = 299,056.05 × 129,444.30 - Step 4: Simplify right side
199,601.10x = 38,711,101,053.02 - Step 5: Solve for x
x = 38,711,101,053.02/199,601.10 - Step 6: Final answer
x = 193,942.32
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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.