Finding the Fourth Proportional to 272,929.50, 376,645.14 and 159,754.68
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Solution
The fourth proportional to 272,929.50, 376,645.14 and 159,754.68 is: 220,462.88
Step by Step Solution
- Step 1: Write the proportion equation
272,929.50 : 376,645.14 = 159,754.68 : x - Step 2: Convert to fraction form
272,929.50/376,645.14 = 159,754.68/x - Step 3: Cross multiply
272,929.50x = 376,645.14 × 159,754.68 - Step 4: Simplify right side
272,929.50x = 60,170,823,814.26 - Step 5: Solve for x
x = 60,170,823,814.26/272,929.50 - Step 6: Final answer
x = 220,462.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.