Finding the Fourth Proportional to 399,950.06, 599,956.98 and 133,711.97
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Solution
The fourth proportional to 399,950.06, 599,956.98 and 133,711.97 is: 200,578.61
Step by Step Solution
- Step 1: Write the proportion equation
399,950.06 : 599,956.98 = 133,711.97 : x - Step 2: Convert to fraction form
399,950.06/599,956.98 = 133,711.97/x - Step 3: Cross multiply
399,950.06x = 599,956.98 × 133,711.97 - Step 4: Simplify right side
399,950.06x = 80,221,426,209.85 - Step 5: Solve for x
x = 80,221,426,209.85/399,950.06 - Step 6: Final answer
x = 200,578.61
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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.