Finding the Fourth Proportional to 273,905.60, 411,472.80 and 263,460.80
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Solution
The fourth proportional to 273,905.60, 411,472.80 and 263,460.80 is: 395,782.17
Step by Step Solution
- Step 1: Write the proportion equation
273,905.60 : 411,472.80 = 263,460.80 : x - Step 2: Convert to fraction form
273,905.60/411,472.80 = 263,460.80/x - Step 3: Cross multiply
273,905.60x = 411,472.80 × 263,460.80 - Step 4: Simplify right side
273,905.60x = 108,406,953,066.24 - Step 5: Solve for x
x = 108,406,953,066.24/273,905.60 - Step 6: Final answer
x = 395,782.17
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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.