Finding the Fourth Proportional to 206,950.98, 310,309.38 and 71,952.94
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Solution
The fourth proportional to 206,950.98, 310,309.38 and 71,952.94 is: 107,888.70
Step by Step Solution
- Step 1: Write the proportion equation
206,950.98 : 310,309.38 = 71,952.94 : x - Step 2: Convert to fraction form
206,950.98/310,309.38 = 71,952.94/x - Step 3: Cross multiply
206,950.98x = 310,309.38 × 71,952.94 - Step 4: Simplify right side
206,950.98x = 22,327,672,588.46 - Step 5: Solve for x
x = 22,327,672,588.46/206,950.98 - Step 6: Final answer
x = 107,888.70
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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.