Finding the Fourth Proportional to 318,114.75, 477,159.67 and 107,752.69
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Solution
The fourth proportional to 318,114.75, 477,159.67 and 107,752.69 is: 161,624.82
Step by Step Solution
- Step 1: Write the proportion equation
318,114.75 : 477,159.67 = 107,752.69 : x - Step 2: Convert to fraction form
318,114.75/477,159.67 = 107,752.69/x - Step 3: Cross multiply
318,114.75x = 477,159.67 × 107,752.69 - Step 4: Simplify right side
318,114.75x = 51,415,238,002.01 - Step 5: Solve for x
x = 51,415,238,002.01/318,114.75 - Step 6: Final answer
x = 161,624.82
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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.