Finding the Fourth Proportional to 369,843.99, 510,379.71 and 206,503.02
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Solution
The fourth proportional to 369,843.99, 510,379.71 and 206,503.02 is: 284,971.38
Step by Step Solution
- Step 1: Write the proportion equation
369,843.99 : 510,379.71 = 206,503.02 : x - Step 2: Convert to fraction form
369,843.99/510,379.71 = 206,503.02/x - Step 3: Cross multiply
369,843.99x = 510,379.71 × 206,503.02 - Step 4: Simplify right side
369,843.99x = 105,394,951,461.72 - Step 5: Solve for x
x = 105,394,951,461.72/369,843.99 - Step 6: Final answer
x = 284,971.38
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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.