Finding the Fourth Proportional to 308,393.19, 462,274.65 and 174,991.68
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Solution
The fourth proportional to 308,393.19, 462,274.65 and 174,991.68 is: 262,308.70
Step by Step Solution
- Step 1: Write the proportion equation
308,393.19 : 462,274.65 = 174,991.68 : x - Step 2: Convert to fraction form
308,393.19/462,274.65 = 174,991.68/x - Step 3: Cross multiply
308,393.19x = 462,274.65 × 174,991.68 - Step 4: Simplify right side
308,393.19x = 80,894,217,624.91 - Step 5: Solve for x
x = 80,894,217,624.91/308,393.19 - Step 6: Final answer
x = 262,308.70
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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.