Finding the Fourth Proportional to 155,773.26, 233,676.09 and 71,518.95
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Solution
The fourth proportional to 155,773.26, 233,676.09 and 71,518.95 is: 107,285.86
Step by Step Solution
- Step 1: Write the proportion equation
155,773.26 : 233,676.09 = 71,518.95 : x - Step 2: Convert to fraction form
155,773.26/233,676.09 = 71,518.95/x - Step 3: Cross multiply
155,773.26x = 233,676.09 × 71,518.95 - Step 4: Simplify right side
155,773.26x = 16,712,268,596.91 - Step 5: Solve for x
x = 16,712,268,596.91/155,773.26 - Step 6: Final answer
x = 107,285.86
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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.