Finding the Fourth Proportional to 79,260.31, 118,855.90 and 29,977.75
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Solution
The fourth proportional to 79,260.31, 118,855.90 and 29,977.75 is: 44,953.55
Step by Step Solution
- Step 1: Write the proportion equation
79,260.31 : 118,855.90 = 29,977.75 : x - Step 2: Convert to fraction form
79,260.31/118,855.90 = 29,977.75/x - Step 3: Cross multiply
79,260.31x = 118,855.90 × 29,977.75 - Step 4: Simplify right side
79,260.31x = 3,563,032,456.23 - Step 5: Solve for x
x = 3,563,032,456.23/79,260.31 - Step 6: Final answer
x = 44,953.55
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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.