Finding the Fourth Proportional to 253,902.99, 350,386.12 and 140,725.74
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Solution
The fourth proportional to 253,902.99, 350,386.12 and 140,725.74 is: 194,201.52
Step by Step Solution
- Step 1: Write the proportion equation
253,902.99 : 350,386.12 = 140,725.74 : x - Step 2: Convert to fraction form
253,902.99/350,386.12 = 140,725.74/x - Step 3: Cross multiply
253,902.99x = 350,386.12 × 140,725.74 - Step 4: Simplify right side
253,902.99x = 49,308,346,022.73 - Step 5: Solve for x
x = 49,308,346,022.73/253,902.99 - Step 6: Final answer
x = 194,201.52
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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.