Finding the Fourth Proportional to 272,805.80, 409,208.70 and 272,805.80
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Solution
The fourth proportional to 272,805.80, 409,208.70 and 272,805.80 is: 409,208.70
Step by Step Solution
- Step 1: Write the proportion equation
272,805.80 : 409,208.70 = 272,805.80 : x - Step 2: Convert to fraction form
272,805.80/409,208.70 = 272,805.80/x - Step 3: Cross multiply
272,805.80x = 409,208.70 × 272,805.80 - Step 4: Simplify right side
272,805.80x = 111,634,506,770.46 - Step 5: Solve for x
x = 111,634,506,770.46/272,805.80 - Step 6: Final answer
x = 409,208.70
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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.