Finding the Fourth Proportional to 202,156.10, 302,869.65 and 96,742.70
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Solution
The fourth proportional to 202,156.10, 302,869.65 and 96,742.70 is: 144,939.62
Step by Step Solution
- Step 1: Write the proportion equation
202,156.10 : 302,869.65 = 96,742.70 : x - Step 2: Convert to fraction form
202,156.10/302,869.65 = 96,742.70/x - Step 3: Cross multiply
202,156.10x = 302,869.65 × 96,742.70 - Step 4: Simplify right side
202,156.10x = 29,300,427,689.06 - Step 5: Solve for x
x = 29,300,427,689.06/202,156.10 - Step 6: Final answer
x = 144,939.62
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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.