Finding the Fourth Proportional to 283,775.21, 391,609.66 and 162,924.29
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Solution
The fourth proportional to 283,775.21, 391,609.66 and 162,924.29 is: 224,835.45
Step by Step Solution
- Step 1: Write the proportion equation
283,775.21 : 391,609.66 = 162,924.29 : x - Step 2: Convert to fraction form
283,775.21/391,609.66 = 162,924.29/x - Step 3: Cross multiply
283,775.21x = 391,609.66 × 162,924.29 - Step 4: Simplify right side
283,775.21x = 63,802,725,812.64 - Step 5: Solve for x
x = 63,802,725,812.64/283,775.21 - Step 6: Final answer
x = 224,835.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.