Finding the Fourth Proportional to 283,713.24, 391,551.87 and 211,968.71
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Solution
The fourth proportional to 283,713.24, 391,551.87 and 211,968.71 is: 292,537.43
Step by Step Solution
- Step 1: Write the proportion equation
283,713.24 : 391,551.87 = 211,968.71 : x - Step 2: Convert to fraction form
283,713.24/391,551.87 = 211,968.71/x - Step 3: Cross multiply
283,713.24x = 391,551.87 × 211,968.71 - Step 4: Simplify right side
283,713.24x = 82,996,742,824.23 - Step 5: Solve for x
x = 82,996,742,824.23/283,713.24 - Step 6: Final answer
x = 292,537.43
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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.