Finding the Fourth Proportional to 296,305.80, 444,458.70 and 74,689.80
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Solution
The fourth proportional to 296,305.80, 444,458.70 and 74,689.80 is: 112,034.70
Step by Step Solution
- Step 1: Write the proportion equation
296,305.80 : 444,458.70 = 74,689.80 : x - Step 2: Convert to fraction form
296,305.80/444,458.70 = 74,689.80/x - Step 3: Cross multiply
296,305.80x = 444,458.70 × 74,689.80 - Step 4: Simplify right side
296,305.80x = 33,196,531,411.26 - Step 5: Solve for x
x = 33,196,531,411.26/296,305.80 - Step 6: Final answer
x = 112,034.70
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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.