Finding the Fourth Proportional to 377,472.11, 520,895.80 and 205,390.75
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Solution
The fourth proportional to 377,472.11, 520,895.80 and 205,390.75 is: 283,430.68
Step by Step Solution
- Step 1: Write the proportion equation
377,472.11 : 520,895.80 = 205,390.75 : x - Step 2: Convert to fraction form
377,472.11/520,895.80 = 205,390.75/x - Step 3: Cross multiply
377,472.11x = 520,895.80 × 205,390.75 - Step 4: Simplify right side
377,472.11x = 106,987,178,006.90 - Step 5: Solve for x
x = 106,987,178,006.90/377,472.11 - Step 6: Final answer
x = 283,430.68
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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.