Finding the Fourth Proportional to 272,753.68, 409,230.96 and 114,965.68
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Solution
The fourth proportional to 272,753.68, 409,230.96 and 114,965.68 is: 172,490.86
Step by Step Solution
- Step 1: Write the proportion equation
272,753.68 : 409,230.96 = 114,965.68 : x - Step 2: Convert to fraction form
272,753.68/409,230.96 = 114,965.68/x - Step 3: Cross multiply
272,753.68x = 409,230.96 × 114,965.68 - Step 4: Simplify right side
272,753.68x = 47,047,515,593.45 - Step 5: Solve for x
x = 47,047,515,593.45/272,753.68 - Step 6: Final answer
x = 172,490.86
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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.