Finding the Fourth Proportional to 428,237.70, 590,944.75 and 237,239.70
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Solution
The fourth proportional to 428,237.70, 590,944.75 and 237,239.70 is: 327,377.89
Step by Step Solution
- Step 1: Write the proportion equation
428,237.70 : 590,944.75 = 237,239.70 : x - Step 2: Convert to fraction form
428,237.70/590,944.75 = 237,239.70/x - Step 3: Cross multiply
428,237.70x = 590,944.75 × 237,239.70 - Step 4: Simplify right side
428,237.70x = 140,195,555,206.58 - Step 5: Solve for x
x = 140,195,555,206.58/428,237.70 - Step 6: Final answer
x = 327,377.89
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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.