Finding the Fourth Proportional to 377,862.20, 521,497.50 and 216,713.79
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Solution
The fourth proportional to 377,862.20, 521,497.50 and 216,713.79 is: 299,092.37
Step by Step Solution
- Step 1: Write the proportion equation
377,862.20 : 521,497.50 = 216,713.79 : x - Step 2: Convert to fraction form
377,862.20/521,497.50 = 216,713.79/x - Step 3: Cross multiply
377,862.20x = 521,497.50 × 216,713.79 - Step 4: Simplify right side
377,862.20x = 113,015,699,700.53 - Step 5: Solve for x
x = 113,015,699,700.53/377,862.20 - Step 6: Final answer
x = 299,092.37
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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.