Finding the Fourth Proportional to 293,420,184.60, 440,130,276.90 and 191,383,512.60
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Solution
The fourth proportional to 293,420,184.60, 440,130,276.90 and 191,383,512.60 is: 287,075,268.90
Step by Step Solution
- Step 1: Write the proportion equation
293,420,184.60 : 440,130,276.90 = 191,383,512.60 : x - Step 2: Convert to fraction form
293,420,184.60/440,130,276.90 = 191,383,512.60/x - Step 3: Cross multiply
293,420,184.60x = 440,130,276.90 × 191,383,512.60 - Step 4: Simplify right side
293,420,184.60x = 84,233,678,394,732,624 - Step 5: Solve for x
x = 84,233,678,394,732,624/293,420,184.60 - Step 6: Final answer
x = 287,075,268.90
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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.