Finding the Fourth Proportional to 79,210.18, 118,861.44 and 29,324.98
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Solution
The fourth proportional to 79,210.18, 118,861.44 and 29,324.98 is: 44,004.56
Step by Step Solution
- Step 1: Write the proportion equation
79,210.18 : 118,861.44 = 29,324.98 : x - Step 2: Convert to fraction form
79,210.18/118,861.44 = 29,324.98/x - Step 3: Cross multiply
79,210.18x = 118,861.44 × 29,324.98 - Step 4: Simplify right side
79,210.18x = 3,485,609,350.77 - Step 5: Solve for x
x = 3,485,609,350.77/79,210.18 - Step 6: Final answer
x = 44,004.56
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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.