Finding the Fourth Proportional to 545,860.62, 753,277.69 and 304,138.02
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Solution
The fourth proportional to 545,860.62, 753,277.69 and 304,138.02 is: 419,704.92
Step by Step Solution
- Step 1: Write the proportion equation
545,860.62 : 753,277.69 = 304,138.02 : x - Step 2: Convert to fraction form
545,860.62/753,277.69 = 304,138.02/x - Step 3: Cross multiply
545,860.62x = 753,277.69 × 304,138.02 - Step 4: Simplify right side
545,860.62x = 229,100,388,351.74 - Step 5: Solve for x
x = 229,100,388,351.74/545,860.62 - Step 6: Final answer
x = 419,704.92
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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.