Finding the Fourth Proportional to 395,315.93, 545,535.20 and 214,027.81
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Solution
The fourth proportional to 395,315.93, 545,535.20 and 214,027.81 is: 295,357.95
Step by Step Solution
- Step 1: Write the proportion equation
395,315.93 : 545,535.20 = 214,027.81 : x - Step 2: Convert to fraction form
395,315.93/545,535.20 = 214,027.81/x - Step 3: Cross multiply
395,315.93x = 545,535.20 × 214,027.81 - Step 4: Simplify right side
395,315.93x = 116,759,704,133.91 - Step 5: Solve for x
x = 116,759,704,133.91/395,315.93 - Step 6: Final answer
x = 295,357.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.