Finding the Fourth Proportional to 79,282.02, 118,916.94 and 29,338.65
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Solution
The fourth proportional to 79,282.02, 118,916.94 and 29,338.65 is: 44,005.72
Step by Step Solution
- Step 1: Write the proportion equation
79,282.02 : 118,916.94 = 29,338.65 : x - Step 2: Convert to fraction form
79,282.02/118,916.94 = 29,338.65/x - Step 3: Cross multiply
79,282.02x = 118,916.94 × 29,338.65 - Step 4: Simplify right side
79,282.02x = 3,488,862,481.73 - Step 5: Solve for x
x = 3,488,862,481.73/79,282.02 - Step 6: Final answer
x = 44,005.72
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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.