Finding the Fourth Proportional to 291,781.44, 437,649.48 and 92,107.80
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Solution
The fourth proportional to 291,781.44, 437,649.48 and 92,107.80 is: 138,154.54
Step by Step Solution
- Step 1: Write the proportion equation
291,781.44 : 437,649.48 = 92,107.80 : x - Step 2: Convert to fraction form
291,781.44/437,649.48 = 92,107.80/x - Step 3: Cross multiply
291,781.44x = 437,649.48 × 92,107.80 - Step 4: Simplify right side
291,781.44x = 40,310,930,773.94 - Step 5: Solve for x
x = 40,310,930,773.94/291,781.44 - Step 6: Final answer
x = 138,154.54
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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.