Finding the Fourth Proportional to 293,420,201.10, 440,130,301.65 and 191,383,529.10
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Solution
The fourth proportional to 293,420,201.10, 440,130,301.65 and 191,383,529.10 is: 287,075,293.65
Step by Step Solution
- Step 1: Write the proportion equation
293,420,201.10 : 440,130,301.65 = 191,383,529.10 : x - Step 2: Convert to fraction form
293,420,201.10/440,130,301.65 = 191,383,529.10/x - Step 3: Cross multiply
293,420,201.10x = 440,130,301.65 × 191,383,529.10 - Step 4: Simplify right side
293,420,201.10x = 84,233,690,393,624,544 - Step 5: Solve for x
x = 84,233,690,393,624,544/293,420,201.10 - Step 6: Final answer
x = 287,075,293.65
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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.