Finding the Fourth Proportional to 125,682.17, 188,613.23 and 45,719.99
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Solution
The fourth proportional to 125,682.17, 188,613.23 and 45,719.99 is: 68,612.70
Step by Step Solution
- Step 1: Write the proportion equation
125,682.17 : 188,613.23 = 45,719.99 : x - Step 2: Convert to fraction form
125,682.17/188,613.23 = 45,719.99/x - Step 3: Cross multiply
125,682.17x = 188,613.23 × 45,719.99 - Step 4: Simplify right side
125,682.17x = 8,623,393,817.80 - Step 5: Solve for x
x = 8,623,393,817.80/125,682.17 - Step 6: Final answer
x = 68,612.70
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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.