Finding the Fourth Proportional to 380,338.56, 570,853.44 and 202,996.80
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Solution
The fourth proportional to 380,338.56, 570,853.44 and 202,996.80 is: 304,679.66
Step by Step Solution
- Step 1: Write the proportion equation
380,338.56 : 570,853.44 = 202,996.80 : x - Step 2: Convert to fraction form
380,338.56/570,853.44 = 202,996.80/x - Step 3: Cross multiply
380,338.56x = 570,853.44 × 202,996.80 - Step 4: Simplify right side
380,338.56x = 115,881,421,588.99 - Step 5: Solve for x
x = 115,881,421,588.99/380,338.56 - Step 6: Final answer
x = 304,679.66
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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.