Finding the Fourth Proportional to 272,905.60, 409,972.80 and 262,460.80
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Solution
The fourth proportional to 272,905.60, 409,972.80 and 262,460.80 is: 394,282.09
Step by Step Solution
- Step 1: Write the proportion equation
272,905.60 : 409,972.80 = 262,460.80 : x - Step 2: Convert to fraction form
272,905.60/409,972.80 = 262,460.80/x - Step 3: Cross multiply
272,905.60x = 409,972.80 × 262,460.80 - Step 4: Simplify right side
272,905.60x = 107,601,789,066.24 - Step 5: Solve for x
x = 107,601,789,066.24/272,905.60 - Step 6: Final answer
x = 394,282.09
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1.5x scale
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.