Finding the Fourth Proportional to 272,808.05, 409,240.10 and 104,469.19
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Solution
The fourth proportional to 272,808.05, 409,240.10 and 104,469.19 is: 156,714.52
Step by Step Solution
- Step 1: Write the proportion equation
272,808.05 : 409,240.10 = 104,469.19 : x - Step 2: Convert to fraction form
272,808.05/409,240.10 = 104,469.19/x - Step 3: Cross multiply
272,808.05x = 409,240.10 × 104,469.19 - Step 4: Simplify right side
272,808.05x = 42,752,982,714.93 - Step 5: Solve for x
x = 42,752,982,714.93/272,808.05 - Step 6: Final answer
x = 156,714.52
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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.