Finding the Fourth Proportional to 296,543.80, 444,815.70 and 74,927.80
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Solution
The fourth proportional to 296,543.80, 444,815.70 and 74,927.80 is: 112,391.70
Step by Step Solution
- Step 1: Write the proportion equation
296,543.80 : 444,815.70 = 74,927.80 : x - Step 2: Convert to fraction form
296,543.80/444,815.70 = 74,927.80/x - Step 3: Cross multiply
296,543.80x = 444,815.70 × 74,927.80 - Step 4: Simplify right side
296,543.80x = 33,329,061,806.46 - Step 5: Solve for x
x = 33,329,061,806.46/296,543.80 - Step 6: Final answer
x = 112,391.70
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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.