Finding the Fourth Proportional to 503,778.09, 755,783.87 and 143,953.62
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Solution
The fourth proportional to 503,778.09, 755,783.87 and 143,953.62 is: 215,963.79
Step by Step Solution
- Step 1: Write the proportion equation
503,778.09 : 755,783.87 = 143,953.62 : x - Step 2: Convert to fraction form
503,778.09/755,783.87 = 143,953.62/x - Step 3: Cross multiply
503,778.09x = 755,783.87 × 143,953.62 - Step 4: Simplify right side
503,778.09x = 108,797,824,024.11 - Step 5: Solve for x
x = 108,797,824,024.11/503,778.09 - Step 6: Final answer
x = 215,963.79
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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.